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
Deportivo 0 Real Zaragoza 1 -15.2
+1.3
Tenerife 2 Racing 1 +3.2
+0.0
Real Zaragoza 1 Espanyol 0 -2.0
+0.9
Málaga 1 Sporting de Gij 1 -2.0
+0.1
Valladolid 0 Getafe 0 -1.6
+0.1
Atlético Madrid 3 Valladolid 1 -0.7
+0.0
Xerez 2 Almería 1 +0.4
+0.0
Barcelona 4 Tenerife 1 -0.4
+0.0
Racing 1 Sevilla 5 -0.3
+0.2
Valencia 3 Xerez 1 -0.2
Almería 4 Villarreal 2 +0.1
-0.2
Athletic Bilbao 1 Málaga 1 -0.1
+0.0
Getafe 1 Sporting de Gij 1 -0.0
Osasuna 3 Deportivo 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
Xerez 3 Real Zaragoza 2 -0.8
Getafe 2 Málaga 1 No
+0.0
Tenerife 2 Almería 2 No
+0.0
Valladolid 2 Racing 1 No
+0.1
Sporting de Gij 1 Atlético Madrid 1 +0.1
Espanyol 2 Osasuna 1 -0.1
Deportivo 1 Mallorca 0 -0.1
Week of 5/16100.0*Relegated100.0*Average seed
Racing 2 Sporting de Gij 0 +0.3
Points
Chance Will Win Championship