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                            | 2008    | 2009    | 2010     | 2011     | 2012     |
|:--------------------------------------|:--------|:--------|:---------|:---------|:---------|
| masco                                 | $ 55.78 | $ 71.52 | $ 67.12  | $ 52.15  | $ 92.49  |
| s&p 500 index                         | $ 63.45 | $ 79.90 | $ 91.74  | $ 93.67  | $ 108.55 |
| s&p industrials index                 | $ 60.60 | $ 72.83 | $ 92.04  | $ 91.50  | $ 105.47 |
| s&p consumer durables & apparel index | $ 66.43 | $ 90.54 | $ 118.19 | $ 127.31 | $ 154.72 |

Question:
what was the percent of the increase in the performance of the s&p 500 index from 2008 to 2009


pre_text: performance graph the table below compares the cumulative total shareholder return on our common stock with the cumulative total return of ( i ) the standard & poor 2019s 500 composite stock index ( 201cs&p 500 index 201d ) , ( ii ) the standard & poor 2019s industrials index ( 201cs&p industrials index 201d ) and ( iii ) the standard & poor 2019s consumer durables & apparel index ( 201cs&p consumer durables & apparel index 201d ) , from december 31 , 2007 through december 31 , 2012 , when the closing price of our common stock was $ 16.66 .
the graph assumes investments of $ 100 on december 31 , 2007 in our common stock and in each of the three indices and the reinvestment of dividends .
performance graph 2007 2008 2009 2010 2011 2012 s&p 500 index s&p industrials index s&p consumer durables & apparel index the table below sets forth the value , as of december 31 for each of the years indicated , of a $ 100 investment made on december 31 , 2007 in each of our common stock , the s&p 500 index , the s&p industrials index and the s&p consumer durables & apparel index and includes the reinvestment of dividends. .
post_text: in july 2007 , our board of directors authorized the purchase of up to 50 million shares of our common stock in open-market transactions or otherwise .
at december 31 , 2012 , we had remaining authorization to repurchase up to 24 million shares .
during the first quarter of 2012 , we repurchased and retired one million shares of our common stock , for cash aggregating $ 8 million to offset the dilutive impact of the 2012 grant of one million shares of long-term stock awards .
we have not purchased any shares since march 2012. .
label: 0.25926000000000005
qa: answer: 25.93%
explanation: the performance of the s&p 500 index increased by 25.93 from 2008 to 2009
ann_table_rows: 2
steps: op: minus2-1
arg1: 79.90
arg2: 63.45
res: 16.45
op: divide2-2
arg1: #0
arg2: 63.45
res: 25.93%
program: subtract(79.90, 63.45), divide(#0, 63.45)
gold_inds: table_2: the s&p 500 index of 2008 is $ 63.45 ; the s&p 500 index of 2009 is $ 79.90 ; the s&p 500 index of 2010 is $ 91.74 ; the s&p 500 index of 2011 is $ 93.67 ; the s&p 500 index of 2012 is $ 108.55 ;
exe_ans: 0.25926000000000005
tfidftopn: text_2: performance graph 2007 2008 2009 2010 2011 2012 s&p 500 index s&p industrials index s&p consumer durables & apparel index the table below sets forth the value , as of december 31 for each of the years indicated , of a $ 100 investment made on december 31 , 2007 in each of our common stock , the s&p 500 index , the s&p industrials index and the s&p consumer durables & apparel index and includes the reinvestment of dividends. .
table_3: The s&p industrials index of 2008 is $ 60.60 ; The s&p industrials index of 2009 is $ 72.83 ; The s&p industrials index of 2010 is $ 92.04 ; The s&p industrials index of 2011 is $ 91.50 ; The s&p industrials index of 2012 is $ 105.47 ;
program_re: divide(subtract(79.90, 63.45), 63.45)
model_input: text_2
performance graph 2007 2008 2009 2010 2011 2012 s&p 500 index s&p industrials index s&p consumer durables & apparel index the table below sets forth the value , as of december 31 for each of the years indicated , of a $ 100 investment made on december 31 , 2007 in each of our common stock , the s&p 500 index , the s&p industrials index and the s&p consumer durables & apparel index and includes the reinvestment of dividends. .
table_2
the s&p 500 index of 2008 is $ 63.45 ; the s&p 500 index of 2009 is $ 79.90 ; the s&p 500 index of 2010 is $ 91.74 ; the s&p 500 index of 2011 is $ 93.67 ; the s&p 500 index of 2012 is $ 108.55 ;
table_3
the s&p industrials index of 2008 is $ 60.60 ; the s&p industrials index of 2009 is $ 72.83 ; the s&p industrials index of 2010 is $ 92.04 ; the s&p industrials index of 2011 is $ 91.50 ; the s&p industrials index of 2012 is $ 105.47 ;