33.92% is the change from 457 to 612
Calculation steps:
[( 612 - 457 ) ÷ 457] x 100 = 33.92%
Formula
Percentage change = [(612 - 457) / 457] x 100
Subtract the new number by the original number
612 - 457 = 155
155 ÷ 457 = 0.33916849015317285
0.33916849015317285 x 100 = 33.92%