-87.12% is the change from 846 to 109
Calculation steps:
[( 109 - 846 ) ÷ 846] x 100 = -87.12%
Formula
Percentage change = [(109 - 846) / 846] x 100
Subtract the new number by the original number
109 - 846 = -737
-737 ÷ 846 = -0.8711583924349882
-0.8711583924349882 x 100 = -87.12%