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*Segunda Division B100.0*Average seed
Rayo 0 Cordoba 1 No
Extremadura 0 Lugo 0 -0.1
Malaga 3 Zaragoza 1 +0.1
Numancia 1 Reus 0 -0.1
Osasuna 2 Las Palmas 0 +0.1
Tenerife 2 Oviedo 1 -0.1
Week of 5/31100.0*Segunda Division B100.0*Average seed
Cadiz 0 Extremadura 1 +1.1
Zaragoza 0 Numancia 0 +0.2
Alcorcon 0 Gimnastic 1 +0.2
Las Palmas 0 Almeria 0 -0.0
Week of 6/8100.0*Segunda Division B100.0*Average seed
Tenerife 1 Zaragoza 0 +0.4
Granada 2 Alcorcon 1 +0.3
Extremadura 0 Mallorca 0 -0.2
Points
Chance Will Win Championship