18.22% is the change from 450 to 532
Calculation steps:
[( 532 - 450 ) ÷ 450] x 100 = 18.22%
Formula
Percentage change = [(532 - 450) / 450] x 100
Subtract the new number by the original number
532 - 450 = 82
82 ÷ 450 = 0.18222222222222223
0.18222222222222223 x 100 = 18.22%