21.88% is the change from 457 to 557
Calculation steps:
[( 557 - 457 ) ÷ 457] x 100 = 21.88%
Formula
Percentage change = [(557 - 457) / 457] x 100
Subtract the new number by the original number
557 - 457 = 100
100 ÷ 457 = 0.2188183807439825
0.2188183807439825 x 100 = 21.88%