38.77% is the change from 454 to 630
Calculation steps:
[( 630 - 454 ) ÷ 454] x 100 = 38.77%
Formula
Percentage change = [(630 - 454) / 454] x 100
Subtract the new number by the original number
630 - 454 = 176
176 ÷ 454 = 0.3876651982378855
0.3876651982378855 x 100 = 38.77%