30.22% is the change from 556 to 724
Calculation steps:
[( 724 - 556 ) ÷ 556] x 100 = 30.22%
Formula
Percentage change = [(724 - 556) / 556] x 100
Subtract the new number by the original number
724 - 556 = 168
168 ÷ 556 = 0.302158273381295
0.302158273381295 x 100 = 30.22%