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.

Text: 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 class='wikitable'><tr><td>1</td><td>-</td><td>amount ( in millions )</td></tr><tr><td>2</td><td>2015 net revenue</td><td>$ 293.9</td></tr><tr><td>3</td><td>retail electric price</td><td>39.0</td></tr><tr><td>4</td><td>net gas revenue</td><td>-2.5 ( 2.5 )</td></tr><tr><td>5</td><td>volume/weather</td><td>-5.1 ( 5.1 )</td></tr><tr><td>6</td><td>other</td><td>-8.1 ( 8.1 )</td></tr><tr><td>7</td><td>2016 net revenue</td><td>$ 317.2</td></tr></table> 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: what was the change in net revenue that was due the net gas revenue adjustment and the volume/weather adjustment, combined, in millions?
Answer: -7.6
Question: and what was the total in other adjustments, also in millions?
Answer: -8.1
Question: including this total to that change, what then becomes that change value, in millions?

user
-15.7
assistant