-16.39% is the change from 976 to 816
Calculation steps:
[( 816 - 976 ) ÷ 976] x 100 = -16.39%
Formula
Percentage change = [(816 - 976) / 976] x 100
Subtract the new number by the original number
816 - 976 = -160
-160 ÷ 976 = -0.16393442622950818
-0.16393442622950818 x 100 = -16.39%