53.13% is the change from 448 to 686
Calculation steps:
[( 686 - 448 ) ÷ 448] x 100 = 53.13%
Formula
Percentage change = [(686 - 448) / 448] x 100
Subtract the new number by the original number
686 - 448 = 238
238 ÷ 448 = 0.53125
0.53125 x 100 = 53.13%