51.56% is the change from 448 to 679
Calculation steps:
[( 679 - 448 ) ÷ 448] x 100 = 51.56%
Formula
Percentage change = [(679 - 448) / 448] x 100
Subtract the new number by the original number
679 - 448 = 231
231 ÷ 448 = 0.515625
0.515625 x 100 = 51.56%