12.8% is the change from 539 to 608
Calculation steps:
[( 608 - 539 ) ÷ 539] x 100 = 12.8%
Formula
Percentage change = [(608 - 539) / 539] x 100
Subtract the new number by the original number
608 - 539 = 69
69 ÷ 539 = 0.1280148423005566
0.1280148423005566 x 100 = 12.8%