53.01% is the change from 515 to 788
Calculation steps:
[( 788 - 515 ) ÷ 515] x 100 = 53.01%
Formula
Percentage change = [(788 - 515) / 515] x 100
Subtract the new number by the original number
788 - 515 = 273
273 ÷ 515 = 0.5300970873786408
0.5300970873786408 x 100 = 53.01%