-85.59% is the change from 583 to 84
Calculation steps:
[( 84 - 583 ) ÷ 583] x 100 = -85.59%
Formula
Percentage change = [(84 - 583) / 583] x 100
Subtract the new number by the original number
84 - 583 = -499
-499 ÷ 583 = -0.855917667238422
-0.855917667238422 x 100 = -85.59%