-89.75% is the change from 400 to 41
Calculation steps:
[( 41 - 400 ) ÷ 400] x 100 = -89.75%
Formula
Percentage change = [(41 - 400) / 400] x 100
Subtract the new number by the original number
41 - 400 = -359
-359 ÷ 400 = -0.8975
-0.8975 x 100 = -89.75%