-87.44% is the change from 454 to 57
Calculation steps:
[( 57 - 454 ) ÷ 454] x 100 = -87.44%
Formula
Percentage change = [(57 - 454) / 454] x 100
Subtract the new number by the original number
57 - 454 = -397
-397 ÷ 454 = -0.8744493392070485
-0.8744493392070485 x 100 = -87.44%