-16.7% is the change from 976 to 813
Calculation steps:
[( 813 - 976 ) ÷ 976] x 100 = -16.7%
Formula
Percentage change = [(813 - 976) / 976] x 100
Subtract the new number by the original number
813 - 976 = -163
-163 ÷ 976 = -0.16700819672131148
-0.16700819672131148 x 100 = -16.7%