14.03% is the change from 449 to 512
Calculation steps:
[( 512 - 449 ) ÷ 449] x 100 = 14.03%
Formula
Percentage change = [(512 - 449) / 449] x 100
Subtract the new number by the original number
512 - 449 = 63
63 ÷ 449 = 0.1403118040089087
0.1403118040089087 x 100 = 14.03%