human
the graph below shows a five-year comparison of the cumulative shareholder return on our common stock with the cumulative total return of the standard & poor 2019s (s&p) mid cap 400 index and the russell 1000 index, both of which are published indices. comparison of five-year cumulative total return from december 31, 2011 to december 31, 2016 assumes $100 invested with reinvestment of dividends period indexed returns.
|  | BasePeriod | Indexed Returns |
| Company/Index | 12/31/11 | 12/31/12 | 12/31/13 | 12/31/14 | 12/31/15 | 12/31/16 |
| A. O. Smith Corporation | 100.0 | 159.5 | 275.8 | 292.0 | 401.0 | 501.4 |
| S&P Mid Cap 400 Index | 100.0 | 117.9 | 157.4 | 172.8 | 169.0 | 204.1 |
| Russell 1000 Index | 100.0 | 116.4 | 155.0 | 175.4 | 177.0 | 198.4 |
2011 2012 2013 2014 2015 2016 smith (a o) corp s&p midcap 400 index russell 1000 index.
Please answer the following questions with expressions if necessary.
what was the net change in price for a.o. smith corp from 2011 to 2016?
assistant
subtract(501.4, const_100)
human
what was the percent change?
assistant
subtract(501.4, const_100), divide(#0, const_100)
human
what was the value of the s&p midcap index at the end of 2016?
assistant
204.1
human
what was the net change assuming a $100 initial investment?
assistant
subtract(501.4, const_100), divide(#0, const_100), subtract(204.1, const_100)
human
what is the percent change?
assistant
subtract(501.4, const_100), divide(#0, const_100), subtract(204.1, const_100), divide(#2, const_100)
human
what is the difference in the percents?
assistant
subtract(501.4, const_100), divide(#0, const_100), subtract(204.1, const_100), divide(#2, const_100), subtract(#1, #3)