28.74% is the change from 515 to 663
Calculation steps:
[( 663 - 515 ) ÷ 515] x 100 = 28.74%
Formula
Percentage change = [(663 - 515) / 515] x 100
Subtract the new number by the original number
663 - 515 = 148
148 ÷ 515 = 0.287378640776699
0.287378640776699 x 100 = 28.74%