Please answer the given financial question based on the context.
Context: shareowner return performance graph the following performance graph and related information shall not be deemed 201csoliciting material 201d or to be 201cfiled 201d with the sec , nor shall such information be incorporated by reference into any future filing under the securities act of 1933 or securities exchange act of 1934 , each as amended , except to the extent that the company specifically incorporates such information by reference into such filing . the following graph shows a five-year comparison of cumulative total shareowners 2019 returns for our class b common stock , the standard & poor 2019s 500 index and the dow jones transportation average . the comparison of the total cumulative return on investment , which is the change in the quarterly stock price plus reinvested dividends for each of the quarterly periods , assumes that $ 100 was invested on december 31 , 2012 in the standard & poor 2019s 500 index , the dow jones transportation average and our class b common stock. .
||12/31/2012|12/31/2013|12/31/2014|12/31/2015|12/31/2016|12/31/2017|
|united parcel service inc .|$ 100.00|$ 146.54|$ 159.23|$ 148.89|$ 182.70|$ 195.75|
|standard & poor 2019s 500 index|$ 100.00|$ 132.38|$ 150.49|$ 152.55|$ 170.79|$ 208.06|
|dow jones transportation average|$ 100.00|$ 141.38|$ 176.83|$ 147.19|$ 179.37|$ 213.49|
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Question: what is the difference in percentage cumulative total shareowners return for united parcel service inc . versus the dow jones transportation average for the five years ended 12/31/2017?
Answer:
-0.1774