-76.02% is the change from 171 to 41
Calculation steps:
[( 41 - 171 ) ÷ 171] x 100 = -76.02%
Formula
Percentage change = [(41 - 171) / 171] x 100
Subtract the new number by the original number
41 - 171 = -130
-130 ÷ 171 = -0.7602339181286549
-0.7602339181286549 x 100 = -76.02%