-54.1% is the change from 451 to 207
Calculation steps:
[( 207 - 451 ) ÷ 451] x 100 = -54.1%
Formula
Percentage change = [(207 - 451) / 451] x 100
Subtract the new number by the original number
207 - 451 = -244
-244 ÷ 451 = -0.541019955654102
-0.541019955654102 x 100 = -54.1%