-95.01% is the change from 821 to 41
Calculation steps:
[( 41 - 821 ) ÷ 821] x 100 = -95.01%
Formula
Percentage change = [(41 - 821) / 821] x 100
Subtract the new number by the original number
41 - 821 = -780
-780 ÷ 821 = -0.9500609013398295
-0.9500609013398295 x 100 = -95.01%