How are these numbers calculated?

Big Games

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

Week of 5/11100.0*Relegated100.0*Average seed
Almería 0 Recre 2 +10.6
-0.2
Osasuna 2 Murcia 1 +6.1
-0.2
Real Zaragoza 2 Real Madrid 2 +1.8
-0.3
Valladolid 0 Getafe 0 -0.4
+0.1
Barcelona 2 Mallorca 3 -0.2
Levante 1 Valencia 5 -0.1
Week of 5/17100.0*Relegated100.0*Average seed
Mallorca 3 Real Zaragoza 2 Yes
-0.8
Recre 1 Valladolid 1 +8.5
+0.2
Racing 1 Osasuna 0 +0.1
Real Madrid 5 Levante 2 -0.2
Valencia 3 Atlético Madrid 1 -0.2
Getafe 1 Real Betis 1 -0.2
Espanyol 1 Almería 3 -0.2
Sevilla 4 Athletic Bilbao 1 -0.1
Deportivo 0 Villarreal 2 -0.1
Points
Chance Will Win Championship