-11.59% is the change from 656 to 580
Calculation steps:
[( 580 - 656 ) ÷ 656] x 100 = -11.59%
Formula
Percentage change = [(580 - 656) / 656] x 100
Subtract the new number by the original number
580 - 656 = -76
-76 ÷ 656 = -0.11585365853658537
-0.11585365853658537 x 100 = -11.59%