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
Extremadura 0 Lugo 0 +0.1
Malaga 3 Zaragoza 1 +0.1
Osasuna 2 Las Palmas 0 +0.1
Almeria 0 Alcorcon 0 +0.1
Gimnastic 3 Elche 3 +0.0
Week of 5/31100.0*Average seed
Alcorcon 0 Gimnastic 1 -1.3
Cadiz 0 Extremadura 1 -0.5
Zaragoza 0 Numancia 0 +0.3
Lugo 0 Tenerife 1 -0.2
Las Palmas 0 Almeria 0 -0.0
Week of 6/8100.0*Average seed
Granada 2 Alcorcon 1 -0.6
Tenerife 1 Zaragoza 0 -0.3
Extremadura 0 Mallorca 0 -0.1
Points
Chance Will Win Championship