-50.44% is the change from 454 to 225
Calculation steps:
[( 225 - 454 ) ÷ 454] x 100 = -50.44%
Formula
Percentage change = [(225 - 454) / 454] x 100
Subtract the new number by the original number
225 - 454 = -229
-229 ÷ 454 = -0.5044052863436124
-0.5044052863436124 x 100 = -50.44%