35.1% is the change from 453 to 612
Calculation steps:
[( 612 - 453 ) ÷ 453] x 100 = 35.1%
Formula
Percentage change = [(612 - 453) / 453] x 100
Subtract the new number by the original number
612 - 453 = 159
159 ÷ 453 = 0.3509933774834437
0.3509933774834437 x 100 = 35.1%