-19.29% is the change from 539 to 435
Calculation steps:
[( 435 - 539 ) ÷ 539] x 100 = -19.29%
Formula
Percentage change = [(435 - 539) / 539] x 100
Subtract the new number by the original number
435 - 539 = -104
-104 ÷ 539 = -0.19294990723562153
-0.19294990723562153 x 100 = -19.29%