-88.18% is the change from 457 to 54
Calculation steps:
[( 54 - 457 ) ÷ 457] x 100 = -88.18%
Formula
Percentage change = [(54 - 457) / 457] x 100
Subtract the new number by the original number
54 - 457 = -403
-403 ÷ 457 = -0.8818380743982495
-0.8818380743982495 x 100 = -88.18%