-12.72% is the change from 668 to 583
Calculation steps:
[( 583 - 668 ) ÷ 668] x 100 = -12.72%
Formula
Percentage change = [(583 - 668) / 668] x 100
Subtract the new number by the original number
583 - 668 = -85
-85 ÷ 668 = -0.12724550898203593
-0.12724550898203593 x 100 = -12.72%