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*Relegated100.0*Average seed
Osasuna 3 Deportivo 1 No
+0.9
Barcelona 4 Tenerife 1 -0.0
Deportivo 0 Real Zaragoza 1 +0.0
Real Madrid 3 Osasuna 2 -0.3
Almería 4 Villarreal 2 -0.2
Tenerife 2 Racing 1 +0.1
Atlético Madrid 3 Valladolid 1 -0.1
Málaga 1 Sporting de Gij 1 +0.0
Racing 1 Sevilla 5 +0.1
Xerez 2 Almería 1 +0.1
Espanyol 0 Valencia 2 +0.1
Sevilla 3 Atlético Madrid 1 +0.0
Week of 5/8100.0*Relegated100.0*Average seed
Espanyol 2 Osasuna 1 -0.9
Deportivo 1 Mallorca 0 -0.3
Xerez 3 Real Zaragoza 2 +0.1
Tenerife 2 Almería 2 +0.1
Week of 5/16100.0*Relegated100.0*Average seed
Osasuna 1 Xerez 1 -0.5
Racing 2 Sporting de Gij 0 +0.0
Points
Chance Will Win Championship