17.39% is the change from 621 to 729
Calculation steps:
[( 729 - 621 ) ÷ 621] x 100 = 17.39%
Formula
Percentage change = [(729 - 621) / 621] x 100
Subtract the new number by the original number
729 - 621 = 108
108 ÷ 621 = 0.17391304347826086
0.17391304347826086 x 100 = 17.39%