human
declaration and payment of future quarterly dividends is at the discretion of our board and may be adjusted as business needs or market conditions change. in addition, under the terms of the merger agreement, we have agreed with aetna to coordinate the declaration and payment of dividends so that our stockholders do not fail to receive a quarterly dividend around the time of the closing of the merger. on october 29, 2015, the board declared a cash dividend of $0.29 per share that was paid on january 29, 2016 to stockholders of record on december 30, 2015, for an aggregate amount of $43 million. 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, 2015. the graph assumes an investment of $100 in each of our common stock, the s&p 500, and the peer group on december 31, 2010, and that dividends were reinvested when paid. .
|  | 12/31/2010 | 12/31/2011 | 12/31/2012 | 12/31/2013 | 12/31/2014 | 12/31/2015 |
| --------- | --------- | --------- | --------- | --------- | --------- | --------- |
| HUM | $100 | $162 | $128 | $195 | $274 | $343 |
| S&P 500 | $100 | $102 | $118 | $157 | $178 | $181 |
| Peer Group | $100 | $110 | $129 | $177 | $226 | $239 |
the stock price performance included in this graph is not necessarily indicative of future stock price performance. .
Please answer the following questions with expressions if necessary.
what was the change in the stock price performance for hum from 2011 to 2012?
assistant
divide(128, 162)
human
n/a
assistant
162
human
and how much did this change represent, in percentage, in relation to that price performance in 2011?
assistant
divide(128, 162), divide(#0, 162)
human
and considering only the first year of the investment for all the stocks shown in the chart, what was the biggest price performance in 2011?
assistant
162