-80.68% is the change from 828 to 160
Calculation steps:
[( 160 - 828 ) ÷ 828] x 100 = -80.68%
Formula
Percentage change = [(160 - 828) / 828] x 100
Subtract the new number by the original number
160 - 828 = -668
-668 ÷ 828 = -0.8067632850241546
-0.8067632850241546 x 100 = -80.68%