29.56% is the change from 450 to 583
Calculation steps:
[( 583 - 450 ) ÷ 450] x 100 = 29.56%
Formula
Percentage change = [(583 - 450) / 450] x 100
Subtract the new number by the original number
583 - 450 = 133
133 ÷ 450 = 0.29555555555555557
0.29555555555555557 x 100 = 29.56%