17.77% is the change from 557 to 656
Calculation steps:
[( 656 - 557 ) ÷ 557] x 100 = 17.77%
Formula
Percentage change = [(656 - 557) / 557] x 100
Subtract the new number by the original number
656 - 557 = 99
99 ÷ 557 = 0.17773788150807898
0.17773788150807898 x 100 = 17.77%