49.33% is the change from 448 to 669
Calculation steps:
[( 669 - 448 ) ÷ 448] x 100 = 49.33%
Formula
Percentage change = [(669 - 448) / 448] x 100
Subtract the new number by the original number
669 - 448 = 221
221 ÷ 448 = 0.49330357142857145
0.49330357142857145 x 100 = 49.33%