-50.83% is the change from 539 to 265
Calculation steps:
[( 265 - 539 ) ÷ 539] x 100 = -50.83%
Formula
Percentage change = [(265 - 539) / 539] x 100
Subtract the new number by the original number
265 - 539 = -274
-274 ÷ 539 = -0.5083487940630798
-0.5083487940630798 x 100 = -50.83%