20.9% is the change from 603 to 729
Calculation steps:
[( 729 - 603 ) ÷ 603] x 100 = 20.9%
Formula
Percentage change = [(729 - 603) / 603] x 100
Subtract the new number by the original number
729 - 603 = 126
126 ÷ 603 = 0.208955223880597
0.208955223880597 x 100 = 20.9%