-64.83% is the change from 580 to 204
Calculation steps:
[( 204 - 580 ) ÷ 580] x 100 = -64.83%
Formula
Percentage change = [(204 - 580) / 580] x 100
Subtract the new number by the original number
204 - 580 = -376
-376 ÷ 580 = -0.6482758620689655
-0.6482758620689655 x 100 = -64.83%