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
Barcelona 0 Osasuna 1 +0.4
-0.1
Valladolid 1 Sporting de Gijón 2 -1.6
Getafe 1 Numancia 0 -0.0
Recre 0 Racing 1 -0.3
Athletic Bilbao 1 Atlético Madrid 4 +0.2
Almería 0 Espanyol 3 -0.2
Málaga 1 Real Betis 1 +0.1
Week of 5/30100.0*Relegated100.0*Average seed
Osasuna 2 Real Madrid 1 +7.9
-0.5
Racing 1 Getafe 1 +4.7
-0.2
Sporting de Gijón 2 Recre 1 +4.5
-0.3
Real Betis 1 Valladolid 1 No
+0.5
Espanyol 3 Málaga 0 -0.1
Valencia 2 Athletic Bilbao 0 +0.1
+0.0
Points
Chance Will Win Championship