38.16% is the change from 456 to 630
Calculation steps:
[( 630 - 456 ) ÷ 456] x 100 = 38.16%
Formula
Percentage change = [(630 - 456) / 456] x 100
Subtract the new number by the original number
630 - 456 = 174
174 ÷ 456 = 0.3815789473684211
0.3815789473684211 x 100 = 38.16%