48.93% is the change from 515 to 767
Calculation steps:
[( 767 - 515 ) ÷ 515] x 100 = 48.93%
Formula
Percentage change = [(767 - 515) / 515] x 100
Subtract the new number by the original number
767 - 515 = 252
252 ÷ 515 = 0.4893203883495146
0.4893203883495146 x 100 = 48.93%