-86.99% is the change from 584 to 76
Calculation steps:
[( 76 - 584 ) ÷ 584] x 100 = -86.99%
Formula
Percentage change = [(76 - 584) / 584] x 100
Subtract the new number by the original number
76 - 584 = -508
-508 ÷ 584 = -0.8698630136986302
-0.8698630136986302 x 100 = -86.99%