-1.36% is the change from 588 to 580
Calculation steps:
[( 580 - 588 ) ÷ 588] x 100 = -1.36%
Formula
Percentage change = [(580 - 588) / 588] x 100
Subtract the new number by the original number
580 - 588 = -8
-8 ÷ 588 = -0.013605442176870748
-0.013605442176870748 x 100 = -1.36%