-80.93% is the change from 215 to 41
Calculation steps:
[( 41 - 215 ) ÷ 215] x 100 = -80.93%
Formula
Percentage change = [(41 - 215) / 215] x 100
Subtract the new number by the original number
41 - 215 = -174
-174 ÷ 215 = -0.8093023255813954
-0.8093023255813954 x 100 = -80.93%