-17.35% is the change from 663 to 548
Calculation steps:
[( 548 - 663 ) ÷ 663] x 100 = -17.35%
Formula
Percentage change = [(548 - 663) / 663] x 100
Subtract the new number by the original number
548 - 663 = -115
-115 ÷ 663 = -0.17345399698340874
-0.17345399698340874 x 100 = -17.35%