what is the difference in percentage performance for aptiv plc versus the automotive peer group for the five year period ending december 31 2018?
part ii item 5 . market for registrant 2019s common equity , related stockholder matters and issuer purchases of equity securities our ordinary shares have been publicly traded since november 17 , 2011 when our ordinary shares were listed and began trading on the new york stock exchange ( 201cnyse 201d ) under the symbol 201cdlph . 201d on december 4 , 2017 , following the spin-off of delphi technologies , the company changed its name to aptiv plc and its nyse symbol to 201captv . 201d as of january 25 , 2019 , there were 2 shareholders of record of our ordinary shares . the following graph reflects the comparative changes in the value from december 31 , 2013 through december 31 , 2018 , assuming an initial investment of $ 100 and the reinvestment of dividends , if any in ( 1 ) our ordinary shares , ( 2 ) the s&p 500 index and ( 3 ) the automotive peer group . historical share prices of our ordinary shares have been adjusted to reflect the separation . historical performance may not be indicative of future shareholder returns . stock performance graph * $ 100 invested on december 31 , 2013 in our stock or in the relevant index , including reinvestment of dividends . fiscal year ended december 31 , 2018 . ( 1 ) aptiv plc , adjusted for the distribution of delphi technologies on december 4 , 2017 ( 2 ) s&p 500 2013 standard & poor 2019s 500 total return index ( 3 ) automotive peer group 2013 adient plc , american axle & manufacturing holdings inc , aptiv plc , borgwarner inc , cooper tire & rubber co , cooper- standard holdings inc , dana inc , dorman products inc , ford motor co , garrett motion inc. , general motors co , gentex corp , gentherm inc , genuine parts co , goodyear tire & rubber co , lear corp , lkq corp , meritor inc , motorcar parts of america inc , standard motor products inc , stoneridge inc , superior industries international inc , tenneco inc , tesla inc , tower international inc , visteon corp , wabco holdings inc company index december 31 , december 31 , december 31 , december 31 , december 31 , december 31 .

| Company Index | December 31, 2013 | December 31, 2014 | December 31, 2015 | December 31, 2016 | December 31, 2017 | December 31, 2018 |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Aptiv PLC (1) | $100.00 | $122.75 | $146.49 | $117.11 | $178.46 | $130.80 |
| S&P 500 (2) | 100.00 | 113.69 | 115.26 | 129.05 | 157.22 | 150.33 |
| Automotive Peer Group (3) | 100.00 | 107.96 | 108.05 | 107.72 | 134.04 | 106.89 |

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aptiv_plc_return = 130.80
snp_return = 100
automotive_peer_group_return = 106.89
percent_change_aptiv_plc = (aptiv_plc_return - snp_return) / snp_return
percent_change_snp = (snp_return - snp_return) / snp_return
percent_change_automotive_peer_group = (automotive_peer_group_return - snp_return) / snp_return
percent_change_difference = percent_change_aptiv_plc - percent_change_automotive_peer_group
answer = percent_change_difference * 100