15.54% is the change from 624 to 721
Calculation steps:
[( 721 - 624 ) ÷ 624] x 100 = 15.54%
Formula
Percentage change = [(721 - 624) / 624] x 100
Subtract the new number by the original number
721 - 624 = 97
97 ÷ 624 = 0.15544871794871795
0.15544871794871795 x 100 = 15.54%