16.38% is the change from 531 to 618
Calculation steps:
[( 618 - 531 ) ÷ 531] x 100 = 16.38%
Formula
Percentage change = [(618 - 531) / 531] x 100
Subtract the new number by the original number
618 - 531 = 87
87 ÷ 531 = 0.1638418079096045
0.1638418079096045 x 100 = 16.38%