33.56% is the change from 450 to 601
Calculation steps:
[( 601 - 450 ) ÷ 450] x 100 = 33.56%
Formula
Percentage change = [(601 - 450) / 450] x 100
Subtract the new number by the original number
601 - 450 = 151
151 ÷ 450 = 0.33555555555555555
0.33555555555555555 x 100 = 33.56%