-1.21% is the change from 580 to 573
Calculation steps:
[( 573 - 580 ) ÷ 580] x 100 = -1.21%
Formula
Percentage change = [(573 - 580) / 580] x 100
Subtract the new number by the original number
573 - 580 = -7
-7 ÷ 580 = -0.01206896551724138
-0.01206896551724138 x 100 = -1.21%