-5.35% is the change from 579 to 548
Calculation steps:
[( 548 - 579 ) ÷ 579] x 100 = -5.35%
Formula
Percentage change = [(548 - 579) / 579] x 100
Subtract the new number by the original number
548 - 579 = -31
-31 ÷ 579 = -0.0535405872193437
-0.0535405872193437 x 100 = -5.35%