-80.27% is the change from 811 to 160
Calculation steps:
[( 160 - 811 ) ÷ 811] x 100 = -80.27%
Formula
Percentage change = [(160 - 811) / 811] x 100
Subtract the new number by the original number
160 - 811 = -651
-651 ÷ 811 = -0.8027127003699137
-0.8027127003699137 x 100 = -80.27%