-85.03% is the change from 862 to 129
Calculation steps:
[( 129 - 862 ) ÷ 862] x 100 = -85.03%
Formula
Percentage change = [(129 - 862) / 862] x 100
Subtract the new number by the original number
129 - 862 = -733
-733 ÷ 862 = -0.8503480278422274
-0.8503480278422274 x 100 = -85.03%