-5.19% is the change from 578 to 548
Calculation steps:
[( 548 - 578 ) ÷ 578] x 100 = -5.19%
Formula
Percentage change = [(548 - 578) / 578] x 100
Subtract the new number by the original number
548 - 578 = -30
-30 ÷ 578 = -0.05190311418685121
-0.05190311418685121 x 100 = -5.19%