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
Racing 1 Sevilla 5 +13.6
-1.0
Tenerife 2 Racing 1 +11.3
-1.0
Barcelona 4 Tenerife 1 -4.0
+0.2
Atlético Madrid 3 Valladolid 1 -3.2
+0.1
Deportivo 0 Real Zaragoza 1 +2.2
-0.1
Real Zaragoza 1 Espanyol 0 +1.6
-0.1
Almería 4 Villarreal 2 +0.5
-0.1
Valladolid 0 Getafe 0 -0.4
+0.0
Osasuna 3 Deportivo 1 +0.3
-0.1
Málaga 1 Sporting de Gij 1 -0.3
+0.1
Athletic Bilbao 1 Málaga 1 -0.3
+0.0
Real Madrid 3 Osasuna 2 -0.3
+0.1
Getafe 1 Sporting de Gij 1 -0.3
+0.1
Valencia 3 Xerez 1 -0.2
Xerez 2 Almería 1 -0.1
+0.1
Week of 5/8100.0*Relegated100.0*Average seed
Valladolid 2 Racing 1 +31.9
-1.1
Getafe 2 Málaga 1 -5.1
+0.2
Tenerife 2 Almería 2 -4.9
+0.1
Sporting de Gij 1 Atlético Madrid 1 +1.4
-0.1
Xerez 3 Real Zaragoza 2 -0.4
+0.1
Week of 5/16100.0*Relegated100.0*Average seed
Racing 2 Sporting de Gij 0 -38.8
+0.9
Barcelona 4 Valladolid 0 -12.9
+0.3
Valencia 1 Tenerife 0 -12.9
+0.3
Points
Chance Will Win Championship