-49.22% is the change from 447 to 227
Calculation steps:
[( 227 - 447 ) ÷ 447] x 100 = -49.22%
Formula
Percentage change = [(227 - 447) / 447] x 100
Subtract the new number by the original number
227 - 447 = -220
-220 ÷ 447 = -0.49217002237136465
-0.49217002237136465 x 100 = -49.22%