-57.07% is the change from 594 to 255
Calculation steps:
[( 255 - 594 ) ÷ 594] x 100 = -57.07%
Formula
Percentage change = [(255 - 594) / 594] x 100
Subtract the new number by the original number
255 - 594 = -339
-339 ÷ 594 = -0.5707070707070707
-0.5707070707070707 x 100 = -57.07%