29.1% is the change from 488 to 630
Calculation steps:
[( 630 - 488 ) ÷ 488] x 100 = 29.1%
Formula
Percentage change = [(630 - 488) / 488] x 100
Subtract the new number by the original number
630 - 488 = 142
142 ÷ 488 = 0.29098360655737704
0.29098360655737704 x 100 = 29.1%