30.44% is the change from 450 to 587
Calculation steps:
[( 587 - 450 ) ÷ 450] x 100 = 30.44%
Formula
Percentage change = [(587 - 450) / 450] x 100
Subtract the new number by the original number
587 - 450 = 137
137 ÷ 450 = 0.30444444444444446
0.30444444444444446 x 100 = 30.44%