-24.39% is the change from 41 to 31
Calculation steps:
[( 31 - 41 ) ÷ 41] x 100 = -24.39%
Formula
Percentage change = [(31 - 41) / 41] x 100
Subtract the new number by the original number
31 - 41 = -10
-10 ÷ 41 = -0.24390243902439024
-0.24390243902439024 x 100 = -24.39%