-88.16% is the change from 456 to 54
Calculation steps:
[( 54 - 456 ) ÷ 456] x 100 = -88.16%
Formula
Percentage change = [(54 - 456) / 456] x 100
Subtract the new number by the original number
54 - 456 = -402
-402 ÷ 456 = -0.881578947368421
-0.881578947368421 x 100 = -88.16%