-81.9% is the change from 862 to 156
Calculation steps:
[( 156 - 862 ) ÷ 862] x 100 = -81.9%
Formula
Percentage change = [(156 - 862) / 862] x 100
Subtract the new number by the original number
156 - 862 = -706
-706 ÷ 862 = -0.8190255220417634
-0.8190255220417634 x 100 = -81.9%