-94.97% is the change from 815 to 41
Calculation steps:
[( 41 - 815 ) ÷ 815] x 100 = -94.97%
Formula
Percentage change = [(41 - 815) / 815] x 100
Subtract the new number by the original number
41 - 815 = -774
-774 ÷ 815 = -0.9496932515337423
-0.9496932515337423 x 100 = -94.97%