Please answer the given financial question based on the context.
Context: the table below summarizes activity of rsus with performance conditions for the year ended december 31 , shares ( in thousands ) weighted average grant date fair value ( per share ) .
||shares ( in thousands )|weightedaverage grantdate fair value ( per share )|
|non-vested total as of december 31 2016|309|$ 55.94|
|granted|186|63.10|
|vested|-204 ( 204 )|46.10|
|forfeited|-10 ( 10 )|70.50|
|non-vested total as of december 31 2017|281|$ 67.33|
as of december 31 , 2017 , $ 6 million of total unrecognized compensation cost related to the nonvested rsus , with and without performance conditions , is expected to be recognized over the weighted-average remaining life of 1.5 years . the total fair value of rsus , with and without performance conditions , vested was $ 16 million , $ 14 million and $ 12 million for the years ended december 31 , 2017 , 2016 and 2015 , respectively . if dividends are paid with respect to shares of the company 2019s common stock before the rsus are distributed , the company credits a liability for the value of the dividends that would have been paid if the rsus were shares of company common stock . when the rsus are distributed , the company pays the participant a lump sum cash payment equal to the value of the dividend equivalents accrued . the company accrued dividend equivalents totaling less than $ 1 million , $ 1 million and $ 1 million to accumulated deficit in the accompanying consolidated statements of changes in stockholders 2019 equity for the years ended december 31 , 2017 , 2016 and 2015 , respectively . employee stock purchase plan the company maintains a nonqualified employee stock purchase plan ( the 201cespp 201d ) through which employee participants may use payroll deductions to acquire company common stock at the lesser of 90% ( 90 % ) of the fair market value of the common stock at either the beginning or the end of a three-month purchase period . on february 15 , 2017 , the board adopted the american water works company , inc . and its designated subsidiaries 2017 nonqualified employee stock purchase plan , which was approved by stockholders on may 12 , 2017 and took effect on august 5 , 2017 . the prior plan was terminated as to new purchases of company stock effective august 31 , 2017 . as of december 31 , 2017 , there were 2.0 million shares of common stock reserved for issuance under the espp . the espp is considered compensatory . during the years ended december 31 , 2017 , 2016 and 2015 , the company issued 93 thousand , 93 thousand and 98 thousand shares , respectively , under the espp. .
Question: by how much did non-vested rsu's decrease from 2016 to 2017?


Answer: The answer is:-0.09061