-7.64% is the change from 628 to 580
Calculation steps:
[( 580 - 628 ) ÷ 628] x 100 = -7.64%
Formula
Percentage change = [(580 - 628) / 628] x 100
Subtract the new number by the original number
580 - 628 = -48
-48 ÷ 628 = -0.07643312101910828
-0.07643312101910828 x 100 = -7.64%