How are these numbers calculated?

Big Games

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

Week of 5/7100.0*UEFA CL100.0*Average seed
Atlético Madrid 1 Eibar 0 Yes
Barcelona 4 Villarreal 1 +0.2
Alavés 1 Athletic Club 0 +0.2
Sevilla 1 Real Sociedad 1 +0.0
Week of 5/14None
Week of 5/17None
Chance Will Win Championship