33.11% is the change from 453 to 603
Calculation steps:
[( 603 - 453 ) ÷ 453] x 100 = 33.11%
Formula
Percentage change = [(603 - 453) / 453] x 100
Subtract the new number by the original number
603 - 453 = 150
150 ÷ 453 = 0.33112582781456956
0.33112582781456956 x 100 = 33.11%