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*Average seed
Granada 3 Las Palmas 2 -0.9
Valencia 0 Villarreal 2 +0.2
Sporting Gijón 2 Eibar 0 +0.2
Real Sociedad 0 Real Madrid 1 +0.1
Málaga 3 Levante 1 -0.1
Real Betis 0 Barcelona 2 +0.1
Deportivo 0 Getafe 2 +0.1
Week of 5/13None
Week of 5/15100.0*Average seed
Málaga 4 Las Palmas 1 -0.9
Real Betis 2 Getafe 1 -0.3
Espanyol 4 Eibar 2 +0.2
Deportivo 0 Real Madrid 2 +0.2
Points
Chance Will Win Championship