-90.64% is the change from 438 to 41
Calculation steps:
[( 41 - 438 ) ÷ 438] x 100 = -90.64%
Formula
Percentage change = [(41 - 438) / 438] x 100
Subtract the new number by the original number
41 - 438 = -397
-397 ÷ 438 = -0.906392694063927
-0.906392694063927 x 100 = -90.64%