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
Deportivo 1 Mallorca 0 -2.1
-0.5
Granada 1 Cadiz 1 +0.6
+0.0
Malaga 3 Zaragoza 1 -0.5
-0.2
Tenerife 2 Oviedo 1 +0.3
Sporting 0 Albacete 2 -0.2
Week of 5/31100.0*La Liga100.0*Average seed
Cadiz 0 Extremadura 1 Yes
+0.1
Mallorca 1 Granada 1 +1.6
-0.1
Elche 0 Deportivo 0 +0.9
+0.1
Albacete 1 Malaga 2 -0.1
-0.2
Week of 6/8100.0*La Liga100.0*Average seed
Deportivo 2 Cordoba 0 -0.2
Malaga 3 Elche 0 -0.1
Almeria 3 Albacete 0 -0.1
Extremadura 0 Mallorca 0 +0.0
Points
Chance Will Win Championship