-46.89% is the change from 450 to 239
Calculation steps:
[( 239 - 450 ) ÷ 450] x 100 = -46.89%
Formula
Percentage change = [(239 - 450) / 450] x 100
Subtract the new number by the original number
239 - 450 = -211
-211 ÷ 450 = -0.4688888888888889
-0.4688888888888889 x 100 = -46.89%