-15.92% is the change from 584 to 491
Calculation steps:
[( 491 - 584 ) ÷ 584] x 100 = -15.92%
Formula
Percentage change = [(491 - 584) / 584] x 100
Subtract the new number by the original number
491 - 584 = -93
-93 ÷ 584 = -0.15924657534246575
-0.15924657534246575 x 100 = -15.92%