-64.21% is the change from 584 to 209
Calculation steps:
[( 209 - 584 ) ÷ 584] x 100 = -64.21%
Formula
Percentage change = [(209 - 584) / 584] x 100
Subtract the new number by the original number
209 - 584 = -375
-375 ÷ 584 = -0.6421232876712328
-0.6421232876712328 x 100 = -64.21%