27.94% is the change from 451 to 577
Calculation steps:
[( 577 - 451 ) ÷ 451] x 100 = 27.94%
Formula
Percentage change = [(577 - 451) / 451] x 100
Subtract the new number by the original number
577 - 451 = 126
126 ÷ 451 = 0.2793791574279379
0.2793791574279379 x 100 = 27.94%