-95.86% is the change from 991 to 41
Calculation steps:
[( 41 - 991 ) ÷ 991] x 100 = -95.86%
Formula
Percentage change = [(41 - 991) / 991] x 100
Subtract the new number by the original number
41 - 991 = -950
-950 ÷ 991 = -0.958627648839556
-0.958627648839556 x 100 = -95.86%