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
Tenerife 2 Racing 1 -19.5
+0.7
Barcelona 4 Tenerife 1 +7.1
-0.3
Deportivo 0 Real Zaragoza 1 +3.4
-0.1
Racing 1 Sevilla 5 -3.2
+0.1
Atlético Madrid 3 Valladolid 1 -3.1
+0.1
Almería 4 Villarreal 2 +2.0
-0.1
Málaga 1 Sporting de Gij 1 -1.6
+0.0
Getafe 1 Sporting de Gij 1 +1.5
-0.1
Valladolid 0 Getafe 0 -1.2
+0.0
Real Zaragoza 1 Espanyol 0 +0.7
-0.0
Athletic Bilbao 1 Málaga 1 +0.5
-0.0
Xerez 2 Almería 1 -0.3
-0.1
Valencia 3 Xerez 1 -0.2
+0.0
Week of 5/8100.0*Relegated100.0*Average seed
Tenerife 2 Almería 2 +20.6
-0.4
Getafe 2 Málaga 1 -6.9
+0.1
Valladolid 2 Racing 1 -2.9
-0.1
Sporting de Gij 1 Atlético Madrid 1 +0.6
-0.0
Week of 5/16100.0*Relegated100.0*Average seed
Valencia 1 Tenerife 0 +20.9
-0.5
Málaga 1 Real Madrid 1 +11.5
-0.2
Barcelona 4 Valladolid 0 -5.3
+0.1
Racing 2 Sporting de Gij 0 +4.4
-0.1
Points
Chance Will Win Championship