human
stock total return performance the following graph compares our total return to stockholders with the returns of the standard & poor 2019s composite 500 index (201cs&p 500 201d) and the dow jones us select health care providers index (201cpeer group 201d) for the five years ended december 31, 2018. the graph assumes an investment of $100 in each of our common stock, the s&p 500, and the peer group on december 31, 2013, and that dividends were reinvested when paid. .
|  | 12/31/2013 | 12/31/2014 | 12/31/2015 | 12/31/2016 | 12/31/2017 | 12/31/2018 |
| --------- | --------- | --------- | --------- | --------- | --------- | --------- |
| HUM | $100 | $140 | $176 | $202 | $247 | $287 |
| S&P 500 | $100 | $114 | $115 | $129 | $157 | $150 |
| Peer Group | $100 | $128 | $135 | $137 | $173 | $191 |
the stock price performance included in this graph is not necessarily indicative of future stock price performance. .
Please compute the result.
what was the highest change in the performance price for the first year?
assistant
40.0
human
and what was the lowest?
assistant
14.0