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
Almería 4 Villarreal 2 -0.1
Espanyol 0 Valencia 2 -0.7
Real Zaragoza 1 Espanyol 0 -1.0
Deportivo 0 Real Zaragoza 1 +0.1
Getafe 1 Sporting de Gij 1 +0.1
Racing 1 Sevilla 5 +0.1
Xerez 2 Almería 1 +0.1
Atlético Madrid 3 Valladolid 1 -0.1
Tenerife 2 Racing 1 +0.1
Málaga 1 Sporting de Gij 1 +0.1
Real Madrid 3 Osasuna 2 +0.1
Sevilla 3 Atlético Madrid 1 +0.1
Osasuna 3 Deportivo 1 -0.0
Week of 5/8100.0*Average seed
Espanyol 2 Osasuna 1 +1.5
Xerez 3 Real Zaragoza 2 +0.2
Deportivo 1 Mallorca 0 -0.2
Sporting de Gij 1 Atlético Madrid 1 +0.1
Valladolid 2 Racing 1 +0.0
Getafe 2 Málaga 1 +0.0
Tenerife 2 Almería 2 +0.0
Week of 5/16100.0*Average seed
Osasuna 1 Xerez 1 +0.4
Points
Chance Will Win Championship