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
Valencia 0 Villarreal 2 +11.6
Athletic Bilbao 2 Celta de Vigo 1 +7.4
Espanyol 1 Sevilla 0 +0.1
Week of 5/13None
Week of 5/15None
Chance Will Win Championship