31.54% is the change from 539 to 709
Calculation steps:
[( 709 - 539 ) ÷ 539] x 100 = 31.54%
Formula
Percentage change = [(709 - 539) / 539] x 100
Subtract the new number by the original number
709 - 539 = 170
170 ÷ 539 = 0.31539888682745826
0.31539888682745826 x 100 = 31.54%