-24.68% is the change from 539 to 406
Calculation steps:
[( 406 - 539 ) ÷ 539] x 100 = -24.68%
Formula
Percentage change = [(406 - 539) / 539] x 100
Subtract the new number by the original number
406 - 539 = -133
-133 ÷ 539 = -0.24675324675324675
-0.24675324675324675 x 100 = -24.68%