43.04% is the change from 539 to 771
Calculation steps:
[( 771 - 539 ) ÷ 539] x 100 = 43.04%
Formula
Percentage change = [(771 - 539) / 539] x 100
Subtract the new number by the original number
771 - 539 = 232
232 ÷ 539 = 0.43042671614100186
0.43042671614100186 x 100 = 43.04%