-86.67% is the change from 818 to 109
Calculation steps:
[( 109 - 818 ) ÷ 818] x 100 = -86.67%
Formula
Percentage change = [(109 - 818) / 818] x 100
Subtract the new number by the original number
109 - 818 = -709
-709 ÷ 818 = -0.8667481662591687
-0.8667481662591687 x 100 = -86.67%