-95.12% is the change from 840 to 41
Calculation steps:
[( 41 - 840 ) ÷ 840] x 100 = -95.12%
Formula
Percentage change = [(41 - 840) / 840] x 100
Subtract the new number by the original number
41 - 840 = -799
-799 ÷ 840 = -0.9511904761904761
-0.9511904761904761 x 100 = -95.12%