15.3% is the change from 536 to 618
Calculation steps:
[( 618 - 536 ) ÷ 536] x 100 = 15.3%
Formula
Percentage change = [(618 - 536) / 536] x 100
Subtract the new number by the original number
618 - 536 = 82
82 ÷ 536 = 0.15298507462686567
0.15298507462686567 x 100 = 15.3%