-47.01% is the change from 451 to 239
Calculation steps:
[( 239 - 451 ) ÷ 451] x 100 = -47.01%
Formula
Percentage change = [(239 - 451) / 451] x 100
Subtract the new number by the original number
239 - 451 = -212
-212 ÷ 451 = -0.4700665188470067
-0.4700665188470067 x 100 = -47.01%