3.9% is the change from 539 to 560
Calculation steps:
[( 560 - 539 ) ÷ 539] x 100 = 3.9%
Formula
Percentage change = [(560 - 539) / 539] x 100
Subtract the new number by the original number
560 - 539 = 21
21 ÷ 539 = 0.03896103896103896
0.03896103896103896 x 100 = 3.9%