-40.09% is the change from 454 to 272
Calculation steps:
[( 272 - 454 ) ÷ 454] x 100 = -40.09%
Formula
Percentage change = [(272 - 454) / 454] x 100
Subtract the new number by the original number
272 - 454 = -182
-182 ÷ 454 = -0.4008810572687225
-0.4008810572687225 x 100 = -40.09%