-30.1% is the change from 834 to 583
Calculation steps:
[( 583 - 834 ) ÷ 834] x 100 = -30.1%
Formula
Percentage change = [(583 - 834) / 834] x 100
Subtract the new number by the original number
583 - 834 = -251
-251 ÷ 834 = -0.3009592326139089
-0.3009592326139089 x 100 = -30.1%