57.21% is the change from 451 to 709
Calculation steps:
[( 709 - 451 ) ÷ 451] x 100 = 57.21%
Formula
Percentage change = [(709 - 451) / 451] x 100
Subtract the new number by the original number
709 - 451 = 258
258 ÷ 451 = 0.5720620842572062
0.5720620842572062 x 100 = 57.21%