Task: Table-QA (source dataset: FinQA)

Task: 
You are given a table containing structured data and a natural language question referring to the table. Your goal is to analyze the table and provide an accurate and concise answer based on the given data.

Instructions:
1. Understand the Table: Examine the structure, headers, and data in the table. Identify relevant columns and rows related to the question.
2. Interpret the Question: Determine whether the question requires direct retrieval, aggregation, comparison, sorting, filtering, or inference.
3. Extract the Answer: Use logical reasoning and numerical operations (if necessary) to derive the correct response from the table.
4. Format the Answer: No explanation, return the answer in a structured JSON format: {"answer": <answer>}. If the question cannot be answered due to missing or ambiguous data, return a JSON response with {"answer": null}.

Table:
| Unnamed: 0                                        | amount ( in millions )   |
|:--------------------------------------------------|:-------------------------|
| 2014 net revenue                                  | $ 5735                   |
| retail electric price                             | 187                      |
| volume/weather                                    | 95                       |
| louisiana business combination customer credits   | -107 ( 107 )             |
| miso deferral                                     | -35 ( 35 )               |
| waterford 3 replacement steam generator provision | -32 ( 32 )               |
| other                                             | -14 ( 14 )               |
| 2015 net revenue                                  | $ 5829                   |

Question:
based on the analysis of the change in net revenue from 2014 to 2015 what was the percent of the change


pre_text: entergy corporation and subsidiaries management 2019s financial discussion and analysis regulatory asset associated with new nuclear generation development costs as a result of a joint stipulation entered into with the mississippi public utilities staff , subsequently approved by the mpsc , in which entergy mississippi agreed not to pursue recovery of the costs deferred by an mpsc order in the new nuclear generation docket .
see note 2 to the financial statements for further discussion of the new nuclear generation development costs and the joint stipulation .
net revenue utility following is an analysis of the change in net revenue comparing 2015 to 2014 .
amount ( in millions ) .
post_text: the retail electric price variance is primarily due to : 2022 formula rate plan increases at entergy louisiana , as approved by the lpsc , effective december 2014 and january 2015 ; 2022 an increase in energy efficiency rider revenue primarily due to increases in the energy efficiency rider at entergy arkansas , as approved by the apsc , effective july 2015 and july 2014 , and new energy efficiency riders at entergy louisiana and entergy mississippi that began in the fourth quarter 2014 .
energy efficiency revenues are largely offset by costs included in other operation and maintenance expenses and have a minimal effect on net income ; and 2022 an annual net rate increase at entergy mississippi of $ 16 million , effective february 2015 , as a result of the mpsc order in the june 2014 rate case .
see note 2 to the financial statements for a discussion of rate and regulatory proceedings .
the volume/weather variance is primarily due to an increase of 1402 gwh , or 1% ( 1 % ) , in billed electricity usage , including an increase in industrial usage and the effect of more favorable weather .
the increase in industrial sales was primarily due to expansion in the chemicals industry and the addition of new customers , partially offset by decreased demand primarily due to extended maintenance outages for existing chemicals customers .
the louisiana business combination customer credits variance is due to a regulatory liability of $ 107 million recorded by entergy in october 2015 as a result of the entergy gulf states louisiana and entergy louisiana business combination .
consistent with the terms of an agreement with the lpsc , electric customers of entergy louisiana will realize customer credits associated with the business combination ; accordingly , in october 2015 , entergy recorded a regulatory liability of $ 107 million ( $ 66 million net-of-tax ) .
see note 2 to the financial statements for further discussion of the business combination and customer credits. .
label: 0.016390000000000002
qa: answer: 1.64%
ann_table_rows: 8
steps: op: minus1-1
arg1: 5829
arg2: 5735
res: 94
op: divide1-2
arg1: #0
arg2: 5735
res: 1.64%
program: subtract(5829, 5735), divide(#0, 5735)
gold_inds: table_8: the 2015 net revenue of amount ( in millions ) is $ 5829 ;
table_1: the 2014 net revenue of amount ( in millions ) is $ 5735 ;
exe_ans: 0.016390000000000002
tfidftopn: text_2: net revenue utility following is an analysis of the change in net revenue comparing 2015 to 2014 .
program_re: divide(subtract(5829, 5735), 5735)
model_input: text_2
net revenue utility following is an analysis of the change in net revenue comparing 2015 to 2014 .
table_1
the 2014 net revenue of amount ( in millions ) is $ 5735 ;
table_8
the 2015 net revenue of amount ( in millions ) is $ 5829 ;