-90.91% is the change from 451 to 41
Calculation steps:
[( 41 - 451 ) ÷ 451] x 100 = -90.91%
Formula
Percentage change = [(41 - 451) / 451] x 100
Subtract the new number by the original number
41 - 451 = -410
-410 ÷ 451 = -0.9090909090909091
-0.9090909090909091 x 100 = -90.91%