-95.23% is the change from 818 to 39
Calculation steps:
[( 39 - 818 ) ÷ 818] x 100 = -95.23%
Formula
Percentage change = [(39 - 818) / 818] x 100
Subtract the new number by the original number
39 - 818 = -779
-779 ÷ 818 = -0.9523227383863081
-0.9523227383863081 x 100 = -95.23%