15.2% is the change from 513 to 591
Calculation steps:
[( 591 - 513 ) ÷ 513] x 100 = 15.2%
Formula
Percentage change = [(591 - 513) / 513] x 100
Subtract the new number by the original number
591 - 513 = 78
78 ÷ 513 = 0.15204678362573099
0.15204678362573099 x 100 = 15.2%