-95.58% is the change from 815 to 36
Calculation steps:
[( 36 - 815 ) ÷ 815] x 100 = -95.58%
Formula
Percentage change = [(36 - 815) / 815] x 100
Subtract the new number by the original number
36 - 815 = -779
-779 ÷ 815 = -0.9558282208588957
-0.9558282208588957 x 100 = -95.58%