14.06% is the change from 448 to 511
Calculation steps:
[( 511 - 448 ) ÷ 448] x 100 = 14.06%
Formula
Percentage change = [(511 - 448) / 448] x 100
Subtract the new number by the original number
511 - 448 = 63
63 ÷ 448 = 0.140625
0.140625 x 100 = 14.06%