pre_text: stock price performance the following graph shows a comparison of the cumulative total return on our common stock , the standard & poor 2019s 500 index and the standard & poor 2019s retail index . the graph assumes that the value of an investment in our common stock and in each such index was $ 100 on december 31 , 2011 , and that any dividends have been reinvested . the comparison in the graph below is based solely on historical data and is not intended to forecast the possible future performance of our common stock . comparison of cumulative total return among advance auto parts , inc. , s&p 500 index and s&p retail index company/index december 31 , december 29 , december 28 , january 3 , january 2 , december 31 .
post_text: .
table: Company/Index December 31, 2011 December 29, 2012 December 28, 2013 January 3, 2015 January 2, 2016 December 31, 2016
table: Advance Auto Parts $100.00 $102.87 $158.46 $228.88 $217.49 $244.64
table: S&P 500 Index 100.00 114.07 152.98 174.56 177.01 198.18
table: S&P Retail Index 100.00 122.23 178.55 196.06 245.31 256.69
question: Analyse this data from a financial earnings document. what is the rate of return on an investment in advance auto parts from 2015 to 2016?