53.8% is the change from 539 to 829
Calculation steps:
[( 829 - 539 ) ÷ 539] x 100 = 53.8%
Formula
Percentage change = [(829 - 539) / 539] x 100
Subtract the new number by the original number
829 - 539 = 290
290 ÷ 539 = 0.5380333951762524
0.5380333951762524 x 100 = 53.8%