-81.84% is the change from 859 to 156
Calculation steps:
[( 156 - 859 ) ÷ 859] x 100 = -81.84%
Formula
Percentage change = [(156 - 859) / 859] x 100
Subtract the new number by the original number
156 - 859 = -703
-703 ÷ 859 = -0.8183934807916181
-0.8183934807916181 x 100 = -81.84%