29.68% is the change from 556 to 721
Calculation steps:
[( 721 - 556 ) ÷ 556] x 100 = 29.68%
Formula
Percentage change = [(721 - 556) / 556] x 100
Subtract the new number by the original number
721 - 556 = 165
165 ÷ 556 = 0.29676258992805754
0.29676258992805754 x 100 = 29.68%