How are these numbers calculated?

Big Games

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

Week of 7/20100.0*Segunda Division B100.0*Average seed
Cadiz 0 Albacete 1 -70.6
+1.2
Numancia 2 Tenerife 1 +4.4
-0.1
Lugo 2 Mirandes 1 +3.1
-0.1
Week of 8/7None
Points
Chance Will Win Championship