notes to consolidated financial statements jpmorgan chase & co .162 jpmorgan chase & co ./ 2007 annual report note 25 2013 accumulated other comprehensive income ( loss ) accumulated other comprehensive income ( loss ) includes the after-tax change in sfas 115 unrealized gains and losses on afs securities , sfas 52 foreign currency translation adjustments ( including the impact of related derivatives ) , sfas 133 cash flow hedging activities and sfas 158 net loss and prior service cost ( credit ) related to the firm 2019s defined benefit pension and opeb plans .net loss and accumulated translation prior service ( credit ) of other unrealized gains ( losses ) adjustments , cash defined benefit pension comprehensive ( in millions ) on afs securities ( a ) net of hedges flow hedges and opeb plans ( e ) income ( loss ) balance at december 31 , 2004 $ ( 61 ) $ ( 8 ) $ ( 139 ) $ 2014 $ ( 208 ) net change ( 163 ) ( b ) 2014 ( 255 ) 2014 ( 418 ) balance at december 31 , 2005 ( 224 ) ( 8 ) ( 394 ) 2014 ( 626 ) net change 253 ( c ) 13 ( 95 ) 2014 171 adjustment to initially apply sfas 158 , net of taxes 2014 2014 2014 ( 1102 ) ( 1102 ) . ( in millions )                                                    | unrealized gains ( losses ) on afs securities ( a ) | translation adjustments net of hedges | cash flow hedges | net loss andprior service ( credit ) of defined benefit pension and opeb plans ( e ) | accumulated other comprehensive income ( loss )
balance at december 31 2004                                        | $ -61 ( 61 )                                        | $ -8 ( 8 )                            | $ -139 ( 139 )   | $ 2014                                                                               | $ -208 ( 208 )                                 
net change                                                         | ( 163 ) ( b )                                       | 2014                                  | -255 ( 255 )     | 2014                                                                                 | -418 ( 418 )                                   
balance at december 31 2005                                        | -224 ( 224 )                                        | -8 ( 8 )                              | -394 ( 394 )     | 2014                                                                                 | -626 ( 626 )                                   
net change                                                         | 253 ( c )                                           | 13                                    | -95 ( 95 )       | 2014                                                                                 | 171                                            
adjustment to initially apply sfas 158 net of taxes                | 2014                                                | 2014                                  | 2014             | -1102 ( 1102 )                                                                       | -1102 ( 1102 )                                 
balance at december 31 2006                                        | 29                                                  | 5                                     | -489 ( 489 )     | -1102 ( 1102 )                                                                       | -1557 ( 1557 )                                 
cumulative effect of changes in accounting principles ( sfas 159 ) | -1 ( 1 )                                            | 2014                                  | 2014             | 2014                                                                                 | -1 ( 1 )                                       
balance at january 1 2007 adjusted                                 | 28                                                  | 5                                     | -489 ( 489 )     | -1102 ( 1102 )                                                                       | -1558 ( 1558 )                                 
net change                                                         | 352 ( d )                                           | 3                                     | -313 ( 313 )     | 599                                                                                  | 641                                            
balance at december 31 2007                                        | $ 380                                               | $ 8                                   | $ -802 ( 802 )   | $ -503 ( 503 )                                                                       | $ -917 ( 917 )                                  net change 352 ( d ) 3 ( 313 ) 599 641 balance at december 31 , 2007 $ 380 $ 8 $ ( 802 ) $ ( 503 ) $ ( 917 ) ( a ) represents the after-tax difference between the fair value and amortized cost of the afs securities portfolio and retained interests in securitizations recorded in other assets .( b ) the net change during 2005 was due primarily to higher interest rates , partially offset by the reversal of unrealized losses from securities sales .( c ) the net change during 2006 was due primarily to the reversal of unrealized losses from securities sales .( d ) the net change during 2007 was due primarily to a decline in interest rates .( e ) for further discussion of sfas 158 , see note 9 on pages 124 2013130 of this annual report. .
Question: what was the difference in unrealized gains on afs securities between 12/31/06 and 12/31/07?
Steps: subtract(380, 29)
Answer: 351.0
Question: and the specific balance as of 12/31/06?
Steps: Ask for number 29
Answer: 29.0
Question: so what was the percentage change during this time?

Read the following texts and table with financial data from an S&P 500 earnings report carefully.Based on the question-answer history (if provided), answer the last question. The answer may require mathematical calculation based on the data provided.
notes to consolidated financial statements jpmorgan chase & co .162 jpmorgan chase & co ./ 2007 annual report note 25 2013 accumulated other comprehensive income ( loss ) accumulated other comprehensive income ( loss ) includes the after-tax change in sfas 115 unrealized gains and losses on afs securities , sfas 52 foreign currency translation adjustments ( including the impact of related derivatives ) , sfas 133 cash flow hedging activities and sfas 158 net loss and prior service cost ( credit ) related to the firm 2019s defined benefit pension and opeb plans .net loss and accumulated translation prior service ( credit ) of other unrealized gains ( losses ) adjustments , cash defined benefit pension comprehensive ( in millions ) on afs securities ( a ) net of hedges flow hedges and opeb plans ( e ) income ( loss ) balance at december 31 , 2004 $ ( 61 ) $ ( 8 ) $ ( 139 ) $ 2014 $ ( 208 ) net change ( 163 ) ( b ) 2014 ( 255 ) 2014 ( 418 ) balance at december 31 , 2005 ( 224 ) ( 8 ) ( 394 ) 2014 ( 626 ) net change 253 ( c ) 13 ( 95 ) 2014 171 adjustment to initially apply sfas 158 , net of taxes 2014 2014 2014 ( 1102 ) ( 1102 ) . ( in millions )                                                    | unrealized gains ( losses ) on afs securities ( a ) | translation adjustments net of hedges | cash flow hedges | net loss andprior service ( credit ) of defined benefit pension and opeb plans ( e ) | accumulated other comprehensive income ( loss )
balance at december 31 2004                                        | $ -61 ( 61 )                                        | $ -8 ( 8 )                            | $ -139 ( 139 )   | $ 2014                                                                               | $ -208 ( 208 )                                 
net change                                                         | ( 163 ) ( b )                                       | 2014                                  | -255 ( 255 )     | 2014                                                                                 | -418 ( 418 )                                   
balance at december 31 2005                                        | -224 ( 224 )                                        | -8 ( 8 )                              | -394 ( 394 )     | 2014                                                                                 | -626 ( 626 )                                   
net change                                                         | 253 ( c )                                           | 13                                    | -95 ( 95 )       | 2014                                                                                 | 171                                            
adjustment to initially apply sfas 158 net of taxes                | 2014                                                | 2014                                  | 2014             | -1102 ( 1102 )                                                                       | -1102 ( 1102 )                                 
balance at december 31 2006                                        | 29                                                  | 5                                     | -489 ( 489 )     | -1102 ( 1102 )                                                                       | -1557 ( 1557 )                                 
cumulative effect of changes in accounting principles ( sfas 159 ) | -1 ( 1 )                                            | 2014                                  | 2014             | 2014                                                                                 | -1 ( 1 )                                       
balance at january 1 2007 adjusted                                 | 28                                                  | 5                                     | -489 ( 489 )     | -1102 ( 1102 )                                                                       | -1558 ( 1558 )                                 
net change                                                         | 352 ( d )                                           | 3                                     | -313 ( 313 )     | 599                                                                                  | 641                                            
balance at december 31 2007                                        | $ 380                                               | $ 8                                   | $ -802 ( 802 )   | $ -503 ( 503 )                                                                       | $ -917 ( 917 )                                  net change 352 ( d ) 3 ( 313 ) 599 641 balance at december 31 , 2007 $ 380 $ 8 $ ( 802 ) $ ( 503 ) $ ( 917 ) ( a ) represents the after-tax difference between the fair value and amortized cost of the afs securities portfolio and retained interests in securitizations recorded in other assets .( b ) the net change during 2005 was due primarily to higher interest rates , partially offset by the reversal of unrealized losses from securities sales .( c ) the net change during 2006 was due primarily to the reversal of unrealized losses from securities sales .( d ) the net change during 2007 was due primarily to a decline in interest rates .( e ) for further discussion of sfas 158 , see note 9 on pages 124 2013130 of this annual report. .
Question: what was the difference in unrealized gains on afs securities between 12/31/06 and 12/31/07?
Steps: subtract(380, 29)
Answer: 351.0
Question: and the specific balance as of 12/31/06?
Steps: Ask for number 29
Answer: 29.0
Question: so what was the percentage change during this time?
