-99.12% is the change from 454 to 4
Calculation steps:
[( 4 - 454 ) ÷ 454] x 100 = -99.12%
Formula
Percentage change = [(4 - 454) / 454] x 100
Subtract the new number by the original number
4 - 454 = -450
-450 ÷ 454 = -0.9911894273127754
-0.9911894273127754 x 100 = -99.12%