-81.44% is the change from 846 to 157
Calculation steps:
[( 157 - 846 ) ÷ 846] x 100 = -81.44%
Formula
Percentage change = [(157 - 846) / 846] x 100
Subtract the new number by the original number
157 - 846 = -689
-689 ÷ 846 = -0.8144208037825059
-0.8144208037825059 x 100 = -81.44%