-81.1% is the change from 857 to 162
Calculation steps:
[( 162 - 857 ) ÷ 857] x 100 = -81.1%
Formula
Percentage change = [(162 - 857) / 857] x 100
Subtract the new number by the original number
162 - 857 = -695
-695 ÷ 857 = -0.8109684947491248
-0.8109684947491248 x 100 = -81.1%