-81.61% is the change from 859 to 158
Calculation steps:
[( 158 - 859 ) ÷ 859] x 100 = -81.61%
Formula
Percentage change = [(158 - 859) / 859] x 100
Subtract the new number by the original number
158 - 859 = -701
-701 ÷ 859 = -0.8160651920838184
-0.8160651920838184 x 100 = -81.61%