27.09% is the change from 454 to 577
Calculation steps:
[( 577 - 454 ) ÷ 454] x 100 = 27.09%
Formula
Percentage change = [(577 - 454) / 454] x 100
Subtract the new number by the original number
577 - 454 = 123
123 ÷ 454 = 0.2709251101321586
0.2709251101321586 x 100 = 27.09%