what is the roi of an investment in ball corporation from 2006 to 2008?
Important information:
table_1: the ball corporation of 12/31/2006 is $ 100.00 ; the ball corporation of 12/31/2007 is $ 104.05 ; the ball corporation of 12/31/2008 is $ 97.04 ; the ball corporation of 12/31/2009 is $ 121.73 ; the ball corporation of 12/31/2010 is $ 161.39 ; the ball corporation of 12/31/2011 is $ 170.70 ;
table_2: the dj us containers & packaging of 12/31/2006 is $ 100.00 ; the dj us containers & packaging of 12/31/2007 is $ 106.73 ; the dj us containers & packaging of 12/31/2008 is $ 66.91 ; the dj us containers & packaging of 12/31/2009 is $ 93.98 ; the dj us containers & packaging of 12/31/2010 is $ 110.23 ; the dj us containers & packaging of 12/31/2011 is $ 110.39 ;
table_3: the s&p 500 of 12/31/2006 is $ 100.00 ; the s&p 500 of 12/31/2007 is $ 105.49 ; the s&p 500 of 12/31/2008 is $ 66.46 ; the s&p 500 of 12/31/2009 is $ 84.05 ; the s&p 500 of 12/31/2010 is $ 96.71 ; the s&p 500 of 12/31/2011 is $ 98.75 ;
Reasoning Steps:
Step: minus1-1(97.04, const_100) = -2.96
Step: divide1-2(#0, const_100) = 2.96%
Program:
subtract(97.04, const_100), divide(#0, const_100)
Program (Nested):
divide(subtract(97.04, const_100), const_100)

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:
shareholder return performance the line graph below compares the annual percentage change in ball corporation fffds cumulative total shareholder return on its common stock with the cumulative total return of the dow jones containers & packaging index and the s&p composite 500 stock index for the five-year period ended december 31 , 2011 . it assumes $ 100 was invested on december 31 , 2006 , and that all dividends were reinvested . the dow jones containers & packaging index total return has been weighted by market capitalization . total return to stockholders ( assumes $ 100 investment on 12/31/06 ) total return analysis .
Table
                             | 12/31/2006 | 12/31/2007 | 12/31/2008 | 12/31/2009 | 12/31/2010 | 12/31/2011
ball corporation             | $ 100.00   | $ 104.05   | $ 97.04    | $ 121.73   | $ 161.39   | $ 170.70  
dj us containers & packaging | $ 100.00   | $ 106.73   | $ 66.91    | $ 93.98    | $ 110.23   | $ 110.39  
s&p 500                      | $ 100.00   | $ 105.49   | $ 66.46    | $ 84.05    | $ 96.71    | $ 98.75   
copyright a9 2012 standard & poor fffds , a division of the mcgraw-hill companies inc . all rights reserved . ( www.researchdatagroup.com/s&p.htm ) copyright a9 2012 dow jones & company . all rights reserved. .
Question: 
what is the roi of an investment in ball corporation from 2006 to 2008?
Important information:
table_1: the ball corporation of 12/31/2006 is $ 100.00 ; the ball corporation of 12/31/2007 is $ 104.05 ; the ball corporation of 12/31/2008 is $ 97.04 ; the ball corporation of 12/31/2009 is $ 121.73 ; the ball corporation of 12/31/2010 is $ 161.39 ; the ball corporation of 12/31/2011 is $ 170.70 ;
table_2: the dj us containers & packaging of 12/31/2006 is $ 100.00 ; the dj us containers & packaging of 12/31/2007 is $ 106.73 ; the dj us containers & packaging of 12/31/2008 is $ 66.91 ; the dj us containers & packaging of 12/31/2009 is $ 93.98 ; the dj us containers & packaging of 12/31/2010 is $ 110.23 ; the dj us containers & packaging of 12/31/2011 is $ 110.39 ;
table_3: the s&p 500 of 12/31/2006 is $ 100.00 ; the s&p 500 of 12/31/2007 is $ 105.49 ; the s&p 500 of 12/31/2008 is $ 66.46 ; the s&p 500 of 12/31/2009 is $ 84.05 ; the s&p 500 of 12/31/2010 is $ 96.71 ; the s&p 500 of 12/31/2011 is $ 98.75 ;
Reasoning Steps:
Step: minus1-1(97.04, const_100) = -2.96
Step: divide1-2(#0, const_100) = 2.96%
Program:
subtract(97.04, const_100), divide(#0, const_100)
Program (Nested):
divide(subtract(97.04, const_100), const_100)
