20.47% is the change from 513 to 618
Calculation steps:
[( 618 - 513 ) ÷ 513] x 100 = 20.47%
Formula
Percentage change = [(618 - 513) / 513] x 100
Subtract the new number by the original number
618 - 513 = 105
105 ÷ 513 = 0.2046783625730994
0.2046783625730994 x 100 = 20.47%