-83.87% is the change from 862 to 139
Calculation steps:
[( 139 - 862 ) ÷ 862] x 100 = -83.87%
Formula
Percentage change = [(139 - 862) / 862] x 100
Subtract the new number by the original number
139 - 862 = -723
-723 ÷ 862 = -0.8387470997679815
-0.8387470997679815 x 100 = -83.87%