17.19% is the change from 448 to 525
Calculation steps:
[( 525 - 448 ) ÷ 448] x 100 = 17.19%
Formula
Percentage change = [(525 - 448) / 448] x 100
Subtract the new number by the original number
525 - 448 = 77
77 ÷ 448 = 0.171875
0.171875 x 100 = 17.19%