-96.91% is the change from 583 to 18
Calculation steps:
[( 18 - 583 ) ÷ 583] x 100 = -96.91%
Formula
Percentage change = [(18 - 583) / 583] x 100
Subtract the new number by the original number
18 - 583 = -565
-565 ÷ 583 = -0.9691252144082333
-0.9691252144082333 x 100 = -96.91%