-83.82% is the change from 859 to 139
Calculation steps:
[( 139 - 859 ) ÷ 859] x 100 = -83.82%
Formula
Percentage change = [(139 - 859) / 859] x 100
Subtract the new number by the original number
139 - 859 = -720
-720 ÷ 859 = -0.8381839348079162
-0.8381839348079162 x 100 = -83.82%