Please answer the given financial question based on the context.
Context: entergy louisiana , inc . management's financial discussion and analysis gross operating revenues , fuel and purchased power expenses , and other regulatory credits gross operating revenues increased primarily due to : 2022 an increase of $ 98.0 million in fuel cost recovery revenues due to higher fuel rates ; and 2022 an increase due to volume/weather , as discussed above . the increase was partially offset by the following : 2022 a decrease of $ 31.9 million in the price applied to unbilled sales , as discussed above ; 2022 a decrease of $ 12.2 million in rate refund provisions , as discussed above ; and 2022 a decrease of $ 5.2 million in gross wholesale revenue due to decreased sales to affiliated systems . fuel and purchased power expenses increased primarily due to : 2022 an increase in the recovery from customers of deferred fuel costs ; and 2022 an increase in the market price of natural gas . other regulatory credits increased primarily due to : 2022 the deferral in 2004 of $ 14.3 million of capacity charges related to generation resource planning as allowed by the lpsc ; 2022 the amortization in 2003 of $ 11.8 million of deferred capacity charges , as discussed above ; and 2022 the deferral in 2004 of $ 11.4 million related to entergy's voluntary severance program , in accordance with a proposed stipulation with the lpsc staff . 2003 compared to 2002 net revenue , which is entergy louisiana's measure of gross margin , consists of operating revenues net of : 1 ) fuel , fuel-related , and purchased power expenses and 2 ) other regulatory charges ( credits ) . following is an analysis of the change in net revenue comparing 2003 to 2002. .
||( in millions )|
|2002 net revenue|$ 922.9|
|deferred fuel cost revisions|59.1|
|asset retirement obligation|8.2|
|volume|-16.2 ( 16.2 )|
|vidalia settlement|-9.2 ( 9.2 )|
|other|8.9|
|2003 net revenue|$ 973.7|
the deferred fuel cost revisions variance resulted from a revised unbilled sales pricing estimate made in december 2002 and a further revision made in the first quarter of 2003 to more closely align the fuel component of that pricing with expected recoverable fuel costs . the asset retirement obligation variance was due to the implementation of sfas 143 , "accounting for asset retirement obligations" adopted in january 2003 . see "critical accounting estimates" for more details on sfas 143 . the increase was offset by decommissioning expense and had no effect on net income . the volume variance was due to a decrease in electricity usage in the service territory . billed usage decreased 1868 gwh in the industrial sector including the loss of a large industrial customer to cogeneration. .
Question: what is the net change in net revenue during 2003 for entergy louisiana , inc.?


Answer: The answer is:50.8