-88.11% is the change from 454 to 54
Calculation steps:
[( 54 - 454 ) ÷ 454] x 100 = -88.11%
Formula
Percentage change = [(54 - 454) / 454] x 100
Subtract the new number by the original number
54 - 454 = -400
-400 ÷ 454 = -0.8810572687224669
-0.8810572687224669 x 100 = -88.11%