12.64% is the change from 451 to 508
Calculation steps:
[( 508 - 451 ) ÷ 451] x 100 = 12.64%
Formula
Percentage change = [(508 - 451) / 451] x 100
Subtract the new number by the original number
508 - 451 = 57
57 ÷ 451 = 0.12638580931263857
0.12638580931263857 x 100 = 12.64%