12.5% is the change from 448 to 504
Calculation steps:
[( 504 - 448 ) ÷ 448] x 100 = 12.5%
Formula
Percentage change = [(504 - 448) / 448] x 100
Subtract the new number by the original number
504 - 448 = 56
56 ÷ 448 = 0.125
0.125 x 100 = 12.5%
Example