30.34% is the change from 557 to 726
Calculation steps:
[( 726 - 557 ) ÷ 557] x 100 = 30.34%
Formula
Percentage change = [(726 - 557) / 557] x 100
Subtract the new number by the original number
726 - 557 = 169
169 ÷ 557 = 0.30341113105924594
0.30341113105924594 x 100 = 30.34%