18.49% is the change from 449 to 532
Calculation steps:
[( 532 - 449 ) ÷ 449] x 100 = 18.49%
Formula
Percentage change = [(532 - 449) / 449] x 100
Subtract the new number by the original number
532 - 449 = 83
83 ÷ 449 = 0.18485523385300667
0.18485523385300667 x 100 = 18.49%