-86.17% is the change from 839 to 116
Calculation steps:
[( 116 - 839 ) ÷ 839] x 100 = -86.17%
Formula
Percentage change = [(116 - 839) / 839] x 100
Subtract the new number by the original number
116 - 839 = -723
-723 ÷ 839 = -0.8617401668653158
-0.8617401668653158 x 100 = -86.17%