what was the percentage cumulative total return of citi common stock for the five years ended 31-dec-2015?
performance graph comparison of five-year cumulative total return the following graph and table compare the cumulative total return on citi 2019s common stock , which is listed on the nyse under the ticker symbol 201cc 201d and held by 81805 common stockholders of record as of january 31 , 2016 , with the cumulative total return of the s&p 500 index and the s&p financial index over the five-year period through december 31 , 2015 . the graph and table assume that $ 100 was invested on december 31 , 2010 in citi 2019s common stock , the s&p 500 index and the s&p financial index , and that all dividends were reinvested . comparison of five-year cumulative total return for the years ended date citi s&p 500 financials .

| DATE | CITI | S&P 500 | S&P FINANCIALS |
| :--- | :--- | :--- | :--- |
| 31-Dec-2010 | 100.00 | 100.00 | 100.00 |
| 30-Dec-2011 | 55.67 | 102.11 | 82.94 |
| 31-Dec-2012 | 83.81 | 118.45 | 106.84 |
| 31-Dec-2013 | 110.49 | 156.82 | 144.90 |
| 31-Dec-2014 | 114.83 | 178.28 | 166.93 |
| 31-Dec-2015 | 110.14 | 180.75 | 164.39 |

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citi_end_2015 = 110.14
citi_start_2015 = 100
percent_cumulative_return = (citi_end_2015 - citi_start_2015) / citi_start_2015
answer = percent_cumulative_return * 100