8.48% is the change from 448 to 486
Calculation steps:
[( 486 - 448 ) ÷ 448] x 100 = 8.48%
Formula
Percentage change = [(486 - 448) / 448] x 100
Subtract the new number by the original number
486 - 448 = 38
38 ÷ 448 = 0.08482142857142858
0.08482142857142858 x 100 = 8.48%