13.81% is the change from 449 to 511
Calculation steps:
[( 511 - 449 ) ÷ 449] x 100 = 13.81%
Formula
Percentage change = [(511 - 449) / 449] x 100
Subtract the new number by the original number
511 - 449 = 62
62 ÷ 449 = 0.13808463251670378
0.13808463251670378 x 100 = 13.81%