-30.76% is the change from 842 to 583
Calculation steps:
[( 583 - 842 ) ÷ 842] x 100 = -30.76%
Formula
Percentage change = [(583 - 842) / 842] x 100
Subtract the new number by the original number
583 - 842 = -259
-259 ÷ 842 = -0.30760095011876487
-0.30760095011876487 x 100 = -30.76%