33.7% is the change from 457 to 611
Calculation steps:
[( 611 - 457 ) ÷ 457] x 100 = 33.7%
Formula
Percentage change = [(611 - 457) / 457] x 100
Subtract the new number by the original number
611 - 457 = 154
154 ÷ 457 = 0.33698030634573306
0.33698030634573306 x 100 = 33.7%