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
Barcelona 4 Tenerife 1 -6.8
+0.2
Atlético Madrid 3 Valladolid 1 -4.8
+0.1
Tenerife 2 Racing 1 +3.7
-0.0
Racing 1 Sevilla 5 -3.3
+0.2
Deportivo 0 Real Zaragoza 1 +2.9
-0.2
Athletic Bilbao 1 Málaga 1 +2.8
-0.3
Málaga 1 Sporting de Gij 1 +2.4
-0.3
Valladolid 0 Getafe 0 -1.7
+0.0
Valencia 3 Xerez 1 -1.7
+0.1
Xerez 2 Almería 1 +0.9
Real Zaragoza 1 Espanyol 0 +0.5
-0.1
Getafe 1 Sporting de Gij 1 +0.4
Almería 4 Villarreal 2 -0.1
-0.1
Real Madrid 3 Osasuna 2 -0.1
Osasuna 3 Deportivo 1 -0.1
Week of 5/8100.0*Relegated100.0*Average seed
Getafe 2 Málaga 1 +20.4
-0.7
Tenerife 2 Almería 2 -4.3
+0.1
Xerez 3 Real Zaragoza 2 +0.9
Sporting de Gij 1 Atlético Madrid 1 +0.1
Valladolid 2 Racing 1 -0.1
+0.1
Week of 5/16100.0*Relegated100.0*Average seed
Racing 2 Sporting de Gij 0 +12.9
-0.3
Valencia 1 Tenerife 0 -12.9
+0.3
Barcelona 4 Valladolid 0 -12.9
+0.3
Points
Chance Will Win Championship