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 +9.9
-0.9
Tenerife 2 Racing 1 +5.6
-0.8
Atlético Madrid 3 Valladolid 1 -2.2
+0.1
Deportivo 0 Real Zaragoza 1 +1.3
-0.2
Barcelona 4 Tenerife 1 -1.0
+0.0
Málaga 1 Sporting de Gij 1 -0.7
+0.1
Athletic Bilbao 1 Málaga 1 +0.6
Valladolid 0 Getafe 0 -0.4
+0.0
Real Zaragoza 1 Espanyol 0 +0.4
-0.1
Getafe 1 Sporting de Gij 1 +0.1
+0.0
Almería 4 Villarreal 2 +0.1
-0.1
Osasuna 3 Deportivo 1 -0.1
Xerez 2 Almería 1 +0.1
Espanyol 0 Valencia 2 +0.0
Real Madrid 3 Osasuna 2 +0.0
Week of 5/8100.0*Relegated100.0*Average seed
Valladolid 2 Racing 1 +15.9
-0.7
Tenerife 2 Almería 2 -5.1
+0.1
Getafe 2 Málaga 1 -2.9
+0.1
Xerez 3 Real Zaragoza 2 -0.4
+0.1
Sporting de Gij 1 Atlético Madrid 1 +0.2
-0.1
Week of 5/16100.0*Relegated100.0*Average seed
Racing 2 Sporting de Gij 0 -12.1
+0.4
Málaga 1 Real Madrid 1 +4.9
-0.1
Valencia 1 Tenerife 0 -4.6
+0.1
Barcelona 4 Valladolid 0 -3.6
+0.1
Points
Chance Will Win Championship