-80.56% is the change from 823 to 160
Calculation steps:
[( 160 - 823 ) ÷ 823] x 100 = -80.56%
Formula
Percentage change = [(160 - 823) / 823] x 100
Subtract the new number by the original number
160 - 823 = -663
-663 ÷ 823 = -0.8055893074119077
-0.8055893074119077 x 100 = -80.56%