what is the net change in net revenue during 2016 for entergy arkansas , inc.?
Important information:
table_1: the 2015 net revenue of amount ( in millions ) is $ 1362.2 ;
table_3: the other of amount ( in millions ) is -3.2 ( 3.2 ) ;
table_4: the 2016 net revenue of amount ( in millions ) is $ 1520.5 ;
Reasoning Steps:
Step: minus2-1(1520.5, 1362.2) = 158.3
Program:
subtract(1520.5, 1362.2)
Program (Nested):
subtract(1520.5, 1362.2)

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:
entergy arkansas , inc . and subsidiaries management 2019s financial discussion and analysis results of operations net income 2016 compared to 2015 net income increased $ 92.9 million primarily due to higher net revenue and lower other operation and maintenance expenses , partially offset by a higher effective income tax rate and higher depreciation and amortization expenses . 2015 compared to 2014 net income decreased $ 47.1 million primarily due to higher other operation and maintenance expenses , partially offset by higher net revenue . net revenue 2016 compared to 2015 net revenue consists of operating revenues net of : 1 ) fuel , fuel-related expenses , and gas purchased for resale , 2 ) purchased power expenses , and 3 ) other regulatory charges ( credits ) . following is an analysis of the change in net revenue comparing 2016 to 2015 . amount ( in millions ) .
Table
                      | amount ( in millions )
2015 net revenue      | $ 1362.2              
retail electric price | 161.5                 
other                 | -3.2 ( 3.2 )          
2016 net revenue      | $ 1520.5              
the retail electric price variance is primarily due to an increase in base rates , as approved by the apsc . the new base rates were effective february 24 , 2016 and began billing with the first billing cycle of april 2016 . the increase includes an interim base rate adjustment surcharge , effective with the first billing cycle of april 2016 , to recover the incremental revenue requirement for the period february 24 , 2016 through march 31 , 2016 . a significant portion of the increase is related to the purchase of power block 2 of the union power station . see note 2 to the financial statements for further discussion of the rate case . see note 14 to the financial statements for further discussion of the union power station purchase. .
Question: 
what is the net change in net revenue during 2016 for entergy arkansas , inc.?
Important information:
table_1: the 2015 net revenue of amount ( in millions ) is $ 1362.2 ;
table_3: the other of amount ( in millions ) is -3.2 ( 3.2 ) ;
table_4: the 2016 net revenue of amount ( in millions ) is $ 1520.5 ;
Reasoning Steps:
Step: minus2-1(1520.5, 1362.2) = 158.3
Program:
subtract(1520.5, 1362.2)
Program (Nested):
subtract(1520.5, 1362.2)
