-45.55% is the change from 584 to 318
Calculation steps:
[( 318 - 584 ) ÷ 584] x 100 = -45.55%
Formula
Percentage change = [(318 - 584) / 584] x 100
Subtract the new number by the original number
318 - 584 = -266
-266 ÷ 584 = -0.4554794520547945
-0.4554794520547945 x 100 = -45.55%