-86.76% is the change from 408 to 54
Calculation steps:
[( 54 - 408 ) ÷ 408] x 100 = -86.76%
Formula
Percentage change = [(54 - 408) / 408] x 100
Subtract the new number by the original number
54 - 408 = -354
-354 ÷ 408 = -0.8676470588235294
-0.8676470588235294 x 100 = -86.76%