what is the lowest return for the last year of the investment?
table of contents stock performance graph * $ 100 invested on 11/17/11 in our stock or 10/31/11 in the relevant index , including reinvestment of dividends . fiscal year ending december 31 , 2015 . ( 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 holding corp. , delphi automotive plc , dorman products inc. , federal-mogul corp. , ford motor co. , fuel systems solutions inc. , general motors co. , gentex corp. , gentherm inc. , genuine parts co. , johnson controls inc. , lear corp. , lkq corp. , meritor inc. , standard motor products inc. , stoneridge inc. , superior industries international , tenneco inc. , tesla motors inc. , the goodyear tire & rubber co. , tower international inc. , visteon corp. , and wabco holdings inc . company index november 17 , december 31 , december 31 , december 31 , december 31 , december 31 .

| Company Index | November 17, 2011 | December 31, 2011 | December 31, 2012 | December 31, 2013 | December 31, 2014 | December 31, 2015 |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Delphi Automotive PLC (1) | $100.00 | $100.98 | $179.33 | $285.81 | $350.82 | $418.67 |
| S&P 500 (2) | 100.00 | 100.80 | 116.93 | 154.80 | 175.99 | 178.43 |
| Automotive Supplier Peer Group (3) | 100.00 | 89.62 | 109.96 | 166.26 | 176.25 | 171.91 |

dividends the company has declared and paid cash dividends of $ 0.25 per ordinary share in each quarter of 2014 and 2015 . in addition , in january 2016 , the board of directors increased the annual dividend rate to $ 1.16 per ordinary share , and declared a regular quarterly cash dividend of $ 0.29 per ordinary share , payable on february 29 , 2016 to shareholders of record at the close of business on february 17 , 2016. .

dividends = 171.91
initial_investment = 100
answer = dividends - initial_investment