6.47% is the change from 448 to 477
Calculation steps:
[( 477 - 448 ) ÷ 448] x 100 = 6.47%
Formula
Percentage change = [(477 - 448) / 448] x 100
Subtract the new number by the original number
477 - 448 = 29
29 ÷ 448 = 0.06473214285714286
0.06473214285714286 x 100 = 6.47%