4.9% is the change from 449 to 471
Calculation steps:
[( 471 - 449 ) ÷ 449] x 100 = 4.9%
Formula
Percentage change = [(471 - 449) / 449] x 100
Subtract the new number by the original number
471 - 449 = 22
22 ÷ 449 = 0.04899777282850779
0.04899777282850779 x 100 = 4.9%