-40.06% is the change from 976 to 585
Calculation steps:
[( 585 - 976 ) ÷ 976] x 100 = -40.06%
Formula
Percentage change = [(585 - 976) / 976] x 100
Subtract the new number by the original number
585 - 976 = -391
-391 ÷ 976 = -0.40061475409836067
-0.40061475409836067 x 100 = -40.06%