-58.9% is the change from 584 to 240
Calculation steps:
[( 240 - 584 ) ÷ 584] x 100 = -58.9%
Formula
Percentage change = [(240 - 584) / 584] x 100
Subtract the new number by the original number
240 - 584 = -344
-344 ÷ 584 = -0.589041095890411
-0.589041095890411 x 100 = -58.9%