14.73% is the change from 448 to 514
Calculation steps:
[( 514 - 448 ) ÷ 448] x 100 = 14.73%
Formula
Percentage change = [(514 - 448) / 448] x 100
Subtract the new number by the original number
514 - 448 = 66
66 ÷ 448 = 0.14732142857142858
0.14732142857142858 x 100 = 14.73%