6.46% is the change from 449 to 478
Calculation steps:
[( 478 - 449 ) ÷ 449] x 100 = 6.46%
Formula
Percentage change = [(478 - 449) / 449] x 100
Subtract the new number by the original number
478 - 449 = 29
29 ÷ 449 = 0.0645879732739421
0.0645879732739421 x 100 = 6.46%