6.94% is the change from 504 to 539
Calculation steps:
[( 539 - 504 ) ÷ 504] x 100 = 6.94%
Formula
Percentage change = [(539 - 504) / 504] x 100
Subtract the new number by the original number
539 - 504 = 35
35 ÷ 504 = 0.06944444444444445
0.06944444444444445 x 100 = 6.94%