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 +17.8
+0.4
Granada 1 Cadiz 1 -4.0
-0.1
Malaga 3 Zaragoza 1 -3.2
-0.1
Tenerife 2 Oviedo 1 +1.1
+0.1
Week of 5/31100.0*La Liga100.0*Average seed
Cadiz 0 Extremadura 1 +27.6
+0.4
Elche 0 Deportivo 0 -2.6
-0.1
Albacete 1 Malaga 2 -1.0
-0.1
Mallorca 1 Granada 1 -0.9
Oviedo 4 Rayo 3 -0.1
Week of 6/8100.0*La Liga100.0*Average seed
Deportivo 2 Cordoba 0 Yes
+0.3
Sporting 1 Cadiz 0 +15.2
+0.2
Osasuna 1 Oviedo 0 +0.7
+0.0
Extremadura 0 Mallorca 0 -0.2
Points
Chance Will Win Championship