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 +0.1
Valladolid 0 Getafe 0 No
+0.2
Levante 1 Valencia 5 -0.3
Real Betis 0 Sevilla 2 +0.2
Villarreal 2 Espanyol 0 +0.1
Athletic Bilbao 0 Racing 0 +0.0
Week of 5/17100.0*Relegated100.0*Average seed
Getafe 1 Real Betis 1 -0.5
Valencia 3 Atlético Madrid 1 -0.3
Recre 1 Valladolid 1 +0.1
Racing 1 Osasuna 0 +0.0
Points
Chance Will Win Championship