human
stock performance graph: the graph below shows the cumulative total shareholder return assuming the investment of $100, on december 31, 2012, and the reinvestment of dividends thereafter, if any, in the company 2019s common stock versus the standard and poor 2019s s&p 500 retail index (201cs&p 500 retail index 201d) and the standard and poor 2019s s&p 500 index (201cs&p 500 201d). .
|  | December 31, |
| Company/Index | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 |
| O’Reilly Automotive, Inc. | $100 | $144 | $215 | $283 | $311 | $269 |
| S&P 500 Retail Index | 100 | 144 | 158 | 197 | 206 | 265 |
| S&P 500 | $100 | $130 | $144 | $143 | $157 | $187 |
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Please answer the following questions with expressions if necessary.
what is the net change in value of an investment in s&p500 from 2014 to 2016?
assistant
subtract(157, 144)
human
what is the value of the investment in 2014?
assistant
144
human
what roi does this represent?
assistant
subtract(157, 144), divide(#0, 144)