-58.67% is the change from 617 to 255
Calculation steps:
[( 255 - 617 ) ÷ 617] x 100 = -58.67%
Formula
Percentage change = [(255 - 617) / 617] x 100
Subtract the new number by the original number
255 - 617 = -362
-362 ÷ 617 = -0.586709886547812
-0.586709886547812 x 100 = -58.67%