How are these numbers calculated?

Big Games

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

Week of 5/24100.0*La Liga100.0*Average seed
Tenerife 2 Oviedo 1 -6.3
-0.3
Granada 1 Cadiz 1 -1.0
-0.0
Deportivo 1 Mallorca 0 -0.7
-0.1
Malaga 3 Zaragoza 1 -0.5
Almeria 0 Alcorcon 0 +0.1
Week of 5/31100.0*La Liga100.0*Average seed
Cadiz 0 Extremadura 1 +0.6
+0.1
Oviedo 4 Rayo 3 +0.4
+0.2
Elche 0 Deportivo 0 -0.2
Reus 0 Sporting 1 -0.1
Las Palmas 0 Almeria 0 +0.0
Week of 6/8100.0*La Liga100.0*Average seed
Deportivo 2 Cordoba 0 No
-0.0
Osasuna 1 Oviedo 0 No
-0.2
Sporting 1 Cadiz 0 +0.6
+0.2
Points
Chance Will Win Championship