12.42% is the change from 451 to 507
Calculation steps:
[( 507 - 451 ) ÷ 451] x 100 = 12.42%
Formula
Percentage change = [(507 - 451) / 451] x 100
Subtract the new number by the original number
507 - 451 = 56
56 ÷ 451 = 0.12416851441241686
0.12416851441241686 x 100 = 12.42%