-8.89% is the change from 45 to 41
Calculation steps:
[( 41 - 45 ) ÷ 45] x 100 = -8.89%
Formula
Percentage change = [(41 - 45) / 45] x 100
Subtract the new number by the original number
41 - 45 = -4
-4 ÷ 45 = -0.08888888888888889
-0.08888888888888889 x 100 = -8.89%