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*Average seed
Malaga 3 Zaragoza 1 -0.5
Extremadura 0 Lugo 0 +0.1
Numancia 1 Reus 0 -0.1
Almeria 0 Alcorcon 0 -0.0
Gimnastic 3 Elche 3 +0.0
Week of 5/31100.0*Average seed
Zaragoza 0 Numancia 0 -0.5
Alcorcon 0 Gimnastic 1 +0.3
Cadiz 0 Extremadura 1 -0.3
Lugo 0 Tenerife 1 -0.1
Las Palmas 0 Almeria 0 +0.1
Reus 0 Sporting 1 -0.0
Elche 0 Deportivo 0 +0.0
Week of 6/8100.0*Average seed
Tenerife 1 Zaragoza 0 -1.7
Numancia 1 Las Palmas 1 +0.3
Granada 2 Alcorcon 1 +0.1
Extremadura 0 Mallorca 0 -0.1
Points
Chance Will Win Championship