-30.23% is the change from 837 to 584
Calculation steps:
[( 584 - 837 ) ÷ 837] x 100 = -30.23%
Formula
Percentage change = [(584 - 837) / 837] x 100
Subtract the new number by the original number
584 - 837 = -253
-253 ÷ 837 = -0.3022700119474313
-0.3022700119474313 x 100 = -30.23%