15.06% is the change from 518 to 596
Calculation steps:
[( 596 - 518 ) ÷ 518] x 100 = 15.06%
Formula
Percentage change = [(596 - 518) / 518] x 100
Subtract the new number by the original number
596 - 518 = 78
78 ÷ 518 = 0.15057915057915058
0.15057915057915058 x 100 = 15.06%