31.91% is the change from 539 to 711
Calculation steps:
[( 711 - 539 ) ÷ 539] x 100 = 31.91%
Formula
Percentage change = [(711 - 539) / 539] x 100
Subtract the new number by the original number
711 - 539 = 172
172 ÷ 539 = 0.31910946196660483
0.31910946196660483 x 100 = 31.91%