-56.01% is the change from 582 to 256
Calculation steps:
[( 256 - 582 ) ÷ 582] x 100 = -56.01%
Formula
Percentage change = [(256 - 582) / 582] x 100
Subtract the new number by the original number
256 - 582 = -326
-326 ÷ 582 = -0.5601374570446735
-0.5601374570446735 x 100 = -56.01%