-26.16% is the change from 539 to 398
Calculation steps:
[( 398 - 539 ) ÷ 539] x 100 = -26.16%
Formula
Percentage change = [(398 - 539) / 539] x 100
Subtract the new number by the original number
398 - 539 = -141
-141 ÷ 539 = -0.26159554730983303
-0.26159554730983303 x 100 = -26.16%