21.23% is the change from 457 to 554
Calculation steps:
[( 554 - 457 ) ÷ 457] x 100 = 21.23%
Formula
Percentage change = [(554 - 457) / 457] x 100
Subtract the new number by the original number
554 - 457 = 97
97 ÷ 457 = 0.212253829321663
0.212253829321663 x 100 = 21.23%