Please answer the given financial question based on the context.
Context: performance graph the following graph compares the total return , assuming reinvestment of dividends , on an investment in the company , based on performance of the company's common stock , with the total return of the standard & poor's 500 composite stock index and the dow jones united states travel and leisure index for a five year period by measuring the changes in common stock prices from december 31 , 2011 to december 31 , 2016. .
||12/11|12/12|12/13|12/14|12/15|12/16|
|royal caribbean cruises ltd .|100.00|139.36|198.03|350.40|437.09|362.38|
|s&p 500|100.00|116.00|153.58|174.60|177.01|198.18|
|dow jones us travel & leisure|100.00|113.33|164.87|191.85|203.17|218.56|
the stock performance graph assumes for comparison that the value of the company's common stock and of each index was $ 100 on december 31 , 2011 and that all dividends were reinvested . past performance is not necessarily an indicator of future results. .
Question: what is the percentage increase of the s&p 500 from 2011 to 2016?


Answer: The answer is:98.18