-21.78% is the change from 583 to 456
Calculation steps:
[( 456 - 583 ) ÷ 583] x 100 = -21.78%
Formula
Percentage change = [(456 - 583) / 583] x 100
Subtract the new number by the original number
456 - 583 = -127
-127 ÷ 583 = -0.21783876500857632
-0.21783876500857632 x 100 = -21.78%