what was the percentage increase in cash dividend from 2015 to 2016?
stock performance graph * $ 100 invested on december 31 , 2011 in our stock or in the relevant index , including reinvestment of dividends . fiscal year ended december 31 , 2016 . ( 1 ) delphi automotive plc ( 2 ) s&p 500 2013 standard & poor 2019s 500 total return index ( 3 ) automotive supplier peer group 2013 russell 3000 auto parts index , including american axle & manufacturing , borgwarner inc. , cooper tire & rubber company , dana inc. , delphi automotive plc , dorman products inc. , federal-mogul corp. , ford motor co. , general motors co. , gentex corp. , gentherm inc. , genuine parts co. , goodyear tire & rubber co. , johnson controls international plc , lear corp. , lkq corp. , meritor inc. , standard motor products inc. , stoneridge inc. , superior industries international , tenneco inc. , tesla motors inc. , tower international inc. , visteon corp. , and wabco holdings inc . company index december 31 , december 31 , december 31 , december 31 , december 31 , december 31 .

| Company Index | December 31, 2011 | December 31, 2012 | December 31, 2013 | December 31, 2014 | December 31, 2015 | December 31, 2016 |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Delphi Automotive PLC (1) | $100.00 | $177.58 | $283.02 | $347.40 | $414.58 | $331.43 |
| S&P 500 (2) | 100.00 | 116.00 | 153.58 | 174.60 | 177.01 | 198.18 |
| Automotive Supplier Peer Group (3) | 100.00 | 127.04 | 188.67 | 203.06 | 198.34 | 202.30 |

dividends the company has declared and paid cash dividends of $ 0.25 and $ 0.29 per ordinary share in each quarter of 2015 and 2016 , respectively . in addition , in january 2017 , the board of directors declared a regular quarterly cash dividend of $ 0.29 per ordinary share , payable on february 15 , 2017 to shareholders of record at the close of business on february 6 , 2017. .

dividend_2016 = 0.29
dividend_2015 = 0.25
percent_change = (dividend_2016 - dividend_2015) / dividend_2015
answer = percent_change * 100