30.8% is the change from 539 to 705
Calculation steps:
[( 705 - 539 ) ÷ 539] x 100 = 30.8%
Formula
Percentage change = [(705 - 539) / 539] x 100
Subtract the new number by the original number
705 - 539 = 166
166 ÷ 539 = 0.3079777365491651
0.3079777365491651 x 100 = 30.8%