-6.79% is the change from 589 to 549
Calculation steps:
[( 549 - 589 ) ÷ 589] x 100 = -6.79%
Formula
Percentage change = [(549 - 589) / 589] x 100
Subtract the new number by the original number
549 - 589 = -40
-40 ÷ 589 = -0.06791171477079797
-0.06791171477079797 x 100 = -6.79%