the net income increases in 2015 were what percent of the net income changes in 2016?
Important information:
text_1: and subsidiaries management 2019s financial discussion and analysis results of operations net income 2016 compared to 2015 net income increased $ 3.9 million primarily due to higher net revenue , partially offset by higher depreciation and amortization expenses , higher interest expense , and lower other income .
text_2: 2015 compared to 2014 net income increased $ 13.9 million primarily due to lower other operation and maintenance expenses and higher net revenue , partially offset by a higher effective income tax rate .
table_1: the 2015 net revenue of amount ( in millions ) is $ 293.9 ;
Key Information: entergy new orleans , inc .
Reasoning Steps:
Step: divide2-1(13.9, 3.9) = 356%
Program:
divide(13.9, 3.9)
Program (Nested):
divide(13.9, 3.9)

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 new orleans , inc . and subsidiaries management 2019s financial discussion and analysis results of operations net income 2016 compared to 2015 net income increased $ 3.9 million primarily due to higher net revenue , partially offset by higher depreciation and amortization expenses , higher interest expense , and lower other income . 2015 compared to 2014 net income increased $ 13.9 million primarily due to lower other operation and maintenance expenses and higher net revenue , partially offset by a higher effective income tax rate . 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 . following is an analysis of the change in net revenue comparing 2016 to 2015 . amount ( in millions ) .
Table
                      | amount ( in millions )
2015 net revenue      | $ 293.9               
retail electric price | 39.0                  
net gas revenue       | -2.5 ( 2.5 )          
volume/weather        | -5.1 ( 5.1 )          
other                 | -8.1 ( 8.1 )          
2016 net revenue      | $ 317.2               
the retail electric price variance is primarily due to an increase in the purchased power and capacity acquisition cost recovery rider , as approved by the city council , effective with the first billing cycle of march 2016 , primarily related to the purchase of power block 1 of the union power station . see note 14 to the financial statements for discussion of the union power station purchase . the net gas revenue variance is primarily due to the effect of less favorable weather on residential and commercial sales . the volume/weather variance is primarily due to a decrease of 112 gwh , or 2% ( 2 % ) , in billed electricity usage , partially offset by the effect of favorable weather on commercial sales and a 2% ( 2 % ) increase in the average number of electric customers. .
Question: 
the net income increases in 2015 were what percent of the net income changes in 2016?
Important information:
text_1: and subsidiaries management 2019s financial discussion and analysis results of operations net income 2016 compared to 2015 net income increased $ 3.9 million primarily due to higher net revenue , partially offset by higher depreciation and amortization expenses , higher interest expense , and lower other income .
text_2: 2015 compared to 2014 net income increased $ 13.9 million primarily due to lower other operation and maintenance expenses and higher net revenue , partially offset by a higher effective income tax rate .
table_1: the 2015 net revenue of amount ( in millions ) is $ 293.9 ;
Key Information: entergy new orleans , inc .
Reasoning Steps:
Step: divide2-1(13.9, 3.9) = 356%
Program:
divide(13.9, 3.9)
Program (Nested):
divide(13.9, 3.9)
