-56.97% is the change from 595 to 256
Calculation steps:
[( 256 - 595 ) ÷ 595] x 100 = -56.97%
Formula
Percentage change = [(256 - 595) / 595] x 100
Subtract the new number by the original number
256 - 595 = -339
-339 ÷ 595 = -0.5697478991596638
-0.5697478991596638 x 100 = -56.97%