28.73% is the change from 557 to 717
Calculation steps:
[( 717 - 557 ) ÷ 557] x 100 = 28.73%
Formula
Percentage change = [(717 - 557) / 557] x 100
Subtract the new number by the original number
717 - 557 = 160
160 ÷ 557 = 0.2872531418312388
0.2872531418312388 x 100 = 28.73%