30.58% is the change from 556 to 726
Calculation steps:
[( 726 - 556 ) ÷ 556] x 100 = 30.58%
Formula
Percentage change = [(726 - 556) / 556] x 100
Subtract the new number by the original number
726 - 556 = 170
170 ÷ 556 = 0.3057553956834532
0.3057553956834532 x 100 = 30.58%