39.15% is the change from 539 to 750
Calculation steps:
[( 750 - 539 ) ÷ 539] x 100 = 39.15%
Formula
Percentage change = [(750 - 539) / 539] x 100
Subtract the new number by the original number
750 - 539 = 211
211 ÷ 539 = 0.3914656771799629
0.3914656771799629 x 100 = 39.15%