38.02% is the change from 455 to 628
Calculation steps:
[( 628 - 455 ) ÷ 455] x 100 = 38.02%
Formula
Percentage change = [(628 - 455) / 455] x 100
Subtract the new number by the original number
628 - 455 = 173
173 ÷ 455 = 0.3802197802197802
0.3802197802197802 x 100 = 38.02%