How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 5/2100.0*UEFA CL100.0*Average seed
Athletic Bilbao 2 Celta de Vigo 1 -10.1
-0.5
Valencia 0 Villarreal 2 -9.6
-0.1
Espanyol 1 Sevilla 0 +0.0
Week of 5/13None
Week of 5/15100.0*UEFA CL100.0*Average seed
Athletic Bilbao 3 Sevilla 1 -0.3
Atlético Madrid 2 Celta de Vigo 0 -0.3
Points
Chance Will Win Championship