9.09% is the change from 539 to 588
Calculation steps:
[( 588 - 539 ) ÷ 539] x 100 = 9.09%
Formula
Percentage change = [(588 - 539) / 539] x 100
Subtract the new number by the original number
588 - 539 = 49
49 ÷ 539 = 0.09090909090909091
0.09090909090909091 x 100 = 9.09%