-4.08% is the change from 539 to 517
Calculation steps:
[( 517 - 539 ) ÷ 539] x 100 = -4.08%
Formula
Percentage change = [(517 - 539) / 539] x 100
Subtract the new number by the original number
517 - 539 = -22
-22 ÷ 539 = -0.04081632653061224
-0.04081632653061224 x 100 = -4.08%