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
Osasuna 3 Deportivo 1 -0.7
Deportivo 0 Real Zaragoza 1 -0.6
Atlético Madrid 3 Valladolid 1 -0.2
Sevilla 3 Atlético Madrid 1 +0.2
Espanyol 0 Valencia 2 +0.2
Real Zaragoza 1 Espanyol 0 +0.1
Real Madrid 3 Osasuna 2 +0.1
Xerez 2 Almería 1 +0.0
Athletic Bilbao 1 Málaga 1 -0.0
Week of 5/8100.0*Average seed
Deportivo 1 Mallorca 0 +0.8
Xerez 3 Real Zaragoza 2 +0.1
Tenerife 2 Almería 2 +0.1
Espanyol 2 Osasuna 1 -0.0
Sporting de Gij 1 Atlético Madrid 1 +0.0
Week of 5/16None
Points
Chance Will Win Championship