-56.19% is the change from 582 to 255
Calculation steps:
[( 255 - 582 ) ÷ 582] x 100 = -56.19%
Formula
Percentage change = [(255 - 582) / 582] x 100
Subtract the new number by the original number
255 - 582 = -327
-327 ÷ 582 = -0.5618556701030928
-0.5618556701030928 x 100 = -56.19%