Please answer the given financial question based on the context.
Context: stock performance graph : the graph below shows the cumulative total shareholder return assuming the investment of $ 100 , on december 31 , 2010 , and the reinvestment of dividends thereafter , if any , in the company's common stock versus the standard and poor's s&p 500 retail index ( "s&p 500 retail index" ) and the standard and poor's s&p 500 index ( "s&p 500" ) . .
|company/index|december 31 , 2010|december 31 , 2011|december 31 , 2012|december 31 , 2013|december 31 , 2014|december 31 , 2015|
|o'reilly automotive inc .|$ 100|$ 132|$ 148|$ 213|$ 319|$ 419|
|s&p 500 retail index|100|103|128|185|203|252|
|s&p 500|$ 100|$ 100|$ 113|$ 147|$ 164|$ 163|
.
Question: how much greater was the five year return for the s&p 500 retail index compared to the s&p 500?


Answer: The answer is:89.0