38.36% is the change from 451 to 624
Calculation steps:
[( 624 - 451 ) ÷ 451] x 100 = 38.36%
Formula
Percentage change = [(624 - 451) / 451] x 100
Subtract the new number by the original number
624 - 451 = 173
173 ÷ 451 = 0.3835920177383592
0.3835920177383592 x 100 = 38.36%