34.58% is the change from 454 to 611
Calculation steps:
[( 611 - 454 ) ÷ 454] x 100 = 34.58%
Formula
Percentage change = [(611 - 454) / 454] x 100
Subtract the new number by the original number
611 - 454 = 157
157 ÷ 454 = 0.3458149779735683
0.3458149779735683 x 100 = 34.58%