-95.82% is the change from 813 to 34
Calculation steps:
[( 34 - 813 ) ÷ 813] x 100 = -95.82%
Formula
Percentage change = [(34 - 813) / 813] x 100
Subtract the new number by the original number
34 - 813 = -779
-779 ÷ 813 = -0.958179581795818
-0.958179581795818 x 100 = -95.82%