what was the percentage change in working capital from 2015 to 2016?
Important information:
table_1: ( in thousands ) the cash and cash equivalents of at december 31 , 2016 is $ 250470 ; the cash and cash equivalents of at december 31 , 2015 is $ 129852 ; the cash and cash equivalents of at december 31 , 2014 is $ 593175 ; the cash and cash equivalents of at december 31 , 2013 is $ 347489 ; the cash and cash equivalents of at december 31 , 2012 is $ 341841 ;
table_2: ( in thousands ) the working capital ( 1 ) of at december 31 , 2016 is 1279337 ; the working capital ( 1 ) of at december 31 , 2015 is 1019953 ; the working capital ( 1 ) of at december 31 , 2014 is 1127772 ; the working capital ( 1 ) of at december 31 , 2013 is 702181 ; the working capital ( 1 ) of at december 31 , 2012 is 651370 ;
text_1: ( 1 ) working capital is defined as current assets minus current liabilities. .
Reasoning Steps:
Step: minus1-1(1279337, 1019953) = 259384
Step: divide1-2(#0, 1019953) = 25%
Program:
subtract(1279337, 1019953), divide(#0, 1019953)
Program (Nested):
divide(subtract(1279337, 1019953), 1019953)

Please answer the following financial question based on the context provided. Make sure to give the answer in raw number, not in percentage and without any units. If the question asks for percentage the value should be less than 1
Context:
other items on our consolidated financial statements have been appropriately adjusted from the amounts provided in the earnings release , including a reduction of our full year 2016 gross profit and income from operations by $ 2.9 million , and a reduction of net income by $ 1.7 million. .
Table
( in thousands )                        | at december 31 , 2016 | at december 31 , 2015 | at december 31 , 2014 | at december 31 , 2013 | at december 31 , 2012
cash and cash equivalents               | $ 250470              | $ 129852              | $ 593175              | $ 347489              | $ 341841             
working capital ( 1 )                   | 1279337               | 1019953               | 1127772               | 702181                | 651370               
inventories                             | 917491                | 783031                | 536714                | 469006                | 319286               
total assets                            | 3644331               | 2865970               | 2092428               | 1576369               | 1155052              
total debt including current maturities | 817388                | 666070                | 281546                | 151551                | 59858                
total stockholders 2019 equity          | $ 2030900             | $ 1668222             | $ 1350300             | $ 1053354             | $ 816922             
( 1 ) working capital is defined as current assets minus current liabilities. .
Question: 
what was the percentage change in working capital from 2015 to 2016?
Important information:
table_1: ( in thousands ) the cash and cash equivalents of at december 31 , 2016 is $ 250470 ; the cash and cash equivalents of at december 31 , 2015 is $ 129852 ; the cash and cash equivalents of at december 31 , 2014 is $ 593175 ; the cash and cash equivalents of at december 31 , 2013 is $ 347489 ; the cash and cash equivalents of at december 31 , 2012 is $ 341841 ;
table_2: ( in thousands ) the working capital ( 1 ) of at december 31 , 2016 is 1279337 ; the working capital ( 1 ) of at december 31 , 2015 is 1019953 ; the working capital ( 1 ) of at december 31 , 2014 is 1127772 ; the working capital ( 1 ) of at december 31 , 2013 is 702181 ; the working capital ( 1 ) of at december 31 , 2012 is 651370 ;
text_1: ( 1 ) working capital is defined as current assets minus current liabilities. .
Reasoning Steps:
Step: minus1-1(1279337, 1019953) = 259384
Step: divide1-2(#0, 1019953) = 25%
Program:
subtract(1279337, 1019953), divide(#0, 1019953)
Program (Nested):
divide(subtract(1279337, 1019953), 1019953)
