-95.07% is the change from 831 to 41
Calculation steps:
[( 41 - 831 ) ÷ 831] x 100 = -95.07%
Formula
Percentage change = [(41 - 831) / 831] x 100
Subtract the new number by the original number
41 - 831 = -790
-790 ÷ 831 = -0.950661853188929
-0.950661853188929 x 100 = -95.07%