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
Almería 4 Villarreal 2 -1.9
+1.1
Xerez 2 Almería 1 +0.7
-0.7
Tenerife 2 Racing 1 +0.3
+0.1
Deportivo 0 Real Zaragoza 1 +0.3
-0.1
Getafe 1 Sporting de Gij 1 +0.2
-0.0
Barcelona 4 Tenerife 1 -0.2
+0.0
Málaga 1 Sporting de Gij 1 -0.1
+0.0
Valladolid 0 Getafe 0 -0.1
Racing 1 Sevilla 5 +0.1
Osasuna 3 Deportivo 1 -0.1
Atlético Madrid 3 Valladolid 1 -0.1
Espanyol 0 Valencia 2 +0.1
Real Madrid 3 Osasuna 2 +0.0
Week of 5/8100.0*Relegated100.0*Average seed
Getafe 2 Málaga 1 No
Sporting de Gij 1 Atlético Madrid 1 No
+0.1
Tenerife 2 Almería 2 No
-0.2
Valladolid 2 Racing 1 No
+0.0
Xerez 3 Real Zaragoza 2 +0.2
Deportivo 1 Mallorca 0 -0.2
Espanyol 2 Osasuna 1 -0.1
Week of 5/16100.0*Relegated100.0*Average seed
Racing 2 Sporting de Gij 0 +0.2
Points
Chance Will Win Championship