2.72% is the change from 624 to 641
Calculation steps:
[( 641 - 624 ) ÷ 624] x 100 = 2.72%
Formula
Percentage change = [(641 - 624) / 624] x 100
Subtract the new number by the original number
641 - 624 = 17
17 ÷ 624 = 0.027243589743589744
0.027243589743589744 x 100 = 2.72%