How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 5/23100.0*Relegated100.0*Average seed
Getafe 1 Numancia 0 -10.0
+0.7
Barcelona 0 Osasuna 1 +9.2
-0.4
Valladolid 1 Sporting de Gijón 2 +5.3
-0.2
Málaga 1 Real Betis 1 +0.3
Real Madrid 1 Mallorca 3 +0.3
Athletic Bilbao 1 Atlético Madrid 4 +0.3
+0.1
Almería 0 Espanyol 3 -0.2
Sevilla 1 Deportivo 0 +0.2
Recre 0 Racing 1 -0.1
Week of 5/30100.0*Relegated100.0*Average seed
Sporting de Gijón 2 Recre 1 +11.5
-0.4
Osasuna 2 Real Madrid 1 +11.1
-0.4
Racing 1 Getafe 1 No
Real Betis 1 Valladolid 1 +2.0
Espanyol 3 Málaga 0 -0.1
Valencia 2 Athletic Bilbao 0 +0.2
+0.1
Points
Chance Will Win Championship