How are these numbers calculated?

Big Games

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

Week of 5/23100.0*Average seed
Athletic Bilbao 1 Atlético Madrid 4 -1.0
Recre 0 Racing 1 -0.3
Valladolid 1 Sporting de Gijón 2 +0.3
Almería 0 Espanyol 3 -0.1
Real Madrid 1 Mallorca 3 -0.1
Málaga 1 Real Betis 1 -0.0
Week of 5/30100.0*Average seed
Valencia 2 Athletic Bilbao 0 -0.7
Real Betis 1 Valladolid 1 +0.5
Racing 1 Getafe 1 +0.2
Espanyol 3 Málaga 0 -0.2
Atlético Madrid 3 Almería 0 +0.0
Points
Chance Will Win Championship