-28.08% is the change from 584 to 420
Calculation steps:
[( 420 - 584 ) ÷ 584] x 100 = -28.08%
Formula
Percentage change = [(420 - 584) / 584] x 100
Subtract the new number by the original number
420 - 584 = -164
-164 ÷ 584 = -0.2808219178082192
-0.2808219178082192 x 100 = -28.08%