9.6% is the change from 448 to 491
Calculation steps:
[( 491 - 448 ) ÷ 448] x 100 = 9.6%
Formula
Percentage change = [(491 - 448) / 448] x 100
Subtract the new number by the original number
491 - 448 = 43
43 ÷ 448 = 0.09598214285714286
0.09598214285714286 x 100 = 9.6%