-63.7% is the change from 584 to 212
Calculation steps:
[( 212 - 584 ) ÷ 584] x 100 = -63.7%
Formula
Percentage change = [(212 - 584) / 584] x 100
Subtract the new number by the original number
212 - 584 = -372
-372 ÷ 584 = -0.636986301369863
-0.636986301369863 x 100 = -63.7%