-85.01% is the change from 847 to 127
Calculation steps:
[( 127 - 847 ) ÷ 847] x 100 = -85.01%
Formula
Percentage change = [(127 - 847) / 847] x 100
Subtract the new number by the original number
127 - 847 = -720
-720 ÷ 847 = -0.8500590318772137
-0.8500590318772137 x 100 = -85.01%