-52.69% is the change from 539 to 255
Calculation steps:
[( 255 - 539 ) ÷ 539] x 100 = -52.69%
Formula
Percentage change = [(255 - 539) / 539] x 100
Subtract the new number by the original number
255 - 539 = -284
-284 ÷ 539 = -0.5269016697588126
-0.5269016697588126 x 100 = -52.69%