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
Barcelona 4 Villarreal 1 +5.3
+0.1
Alavés 1 Athletic Club 0 +2.0
Sevilla 1 Real Sociedad 1 -0.3
-0.0
Atlético Madrid 1 Eibar 0 -0.1
-0.1
Week of 5/14100.0*UEFA CL100.0*Average seed
Real Madrid 4 Sevilla 1 -2.2
Villarreal 0 La Coruña 0 Yes
Week of 5/17None
Points
Chance Will Win Championship