30.61% is the change from 539 to 704
Calculation steps:
[( 704 - 539 ) ÷ 539] x 100 = 30.61%
Formula
Percentage change = [(704 - 539) / 539] x 100
Subtract the new number by the original number
704 - 539 = 165
165 ÷ 539 = 0.30612244897959184
0.30612244897959184 x 100 = 30.61%