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
Osasuna 2 Las Palmas 0 +0.1
Sporting 0 Albacete 2 +0.1
Gimnastic 3 Elche 3 -0.1
Malaga 3 Zaragoza 1 +0.1
Almeria 0 Alcorcon 0 +0.1
Extremadura 0 Lugo 0 +0.0
Week of 5/31100.0*Average seed
Reus 0 Sporting 1 -0.2
Alcorcon 0 Gimnastic 1 +0.2
Zaragoza 0 Numancia 0 +0.0
Elche 0 Deportivo 0 -0.0
Week of 6/8100.0*Average seed
Malaga 3 Elche 0 -0.4
Numancia 1 Las Palmas 1 +0.4
Almeria 3 Albacete 0 -0.1
Sporting 1 Cadiz 0 -0.1
Points
Chance Will Win Championship