17.82% is the change from 449 to 529
Calculation steps:
[( 529 - 449 ) ÷ 449] x 100 = 17.82%
Formula
Percentage change = [(529 - 449) / 449] x 100
Subtract the new number by the original number
529 - 449 = 80
80 ÷ 449 = 0.17817371937639198
0.17817371937639198 x 100 = 17.82%