-80.3% is the change from 812 to 160
Calculation steps:
[( 160 - 812 ) ÷ 812] x 100 = -80.3%
Formula
Percentage change = [(160 - 812) / 812] x 100
Subtract the new number by the original number
160 - 812 = -652
-652 ÷ 812 = -0.8029556650246306
-0.8029556650246306 x 100 = -80.3%