-80.07% is the change from 813 to 162
Calculation steps:
[( 162 - 813 ) ÷ 813] x 100 = -80.07%
Formula
Percentage change = [(162 - 813) / 813] x 100
Subtract the new number by the original number
162 - 813 = -651
-651 ÷ 813 = -0.8007380073800738
-0.8007380073800738 x 100 = -80.07%