-39.74% is the change from 453 to 273
Calculation steps:
[( 273 - 453 ) ÷ 453] x 100 = -39.74%
Formula
Percentage change = [(273 - 453) / 453] x 100
Subtract the new number by the original number
273 - 453 = -180
-180 ÷ 453 = -0.3973509933774834
-0.3973509933774834 x 100 = -39.74%