How are these numbers calculated?

Big Games

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

Week of 5/1100.0*Average seed
Deportivo 0 Real Zaragoza 1 -0.8
Osasuna 3 Deportivo 1 -0.6
Espanyol 0 Valencia 2 +0.1
Atlético Madrid 3 Valladolid 1 -0.1
Sevilla 3 Atlético Madrid 1 +0.1
Real Zaragoza 1 Espanyol 0 +0.1
Almería 4 Villarreal 2 -0.1
Xerez 2 Almería 1 +0.0
Real Madrid 3 Osasuna 2 +0.0
Week of 5/8100.0*Average seed
Deportivo 1 Mallorca 0 +0.9
Xerez 3 Real Zaragoza 2 +0.1
Tenerife 2 Almería 2 +0.1
Week of 5/16None
Points
Chance Will Win Championship