-11.72% is the change from 657 to 580
Calculation steps:
[( 580 - 657 ) ÷ 657] x 100 = -11.72%
Formula
Percentage change = [(580 - 657) / 657] x 100
Subtract the new number by the original number
580 - 657 = -77
-77 ÷ 657 = -0.1171993911719939
-0.1171993911719939 x 100 = -11.72%