-48.12% is the change from 451 to 234
Calculation steps:
[( 234 - 451 ) ÷ 451] x 100 = -48.12%
Formula
Percentage change = [(234 - 451) / 451] x 100
Subtract the new number by the original number
234 - 451 = -217
-217 ÷ 451 = -0.4811529933481153
-0.4811529933481153 x 100 = -48.12%