6.1% is the change from 508 to 539
Calculation steps:
[( 539 - 508 ) ÷ 508] x 100 = 6.1%
Formula
Percentage change = [(539 - 508) / 508] x 100
Subtract the new number by the original number
539 - 508 = 31
31 ÷ 508 = 0.0610236220472441
0.0610236220472441 x 100 = 6.1%