How are these numbers calculated?

Big Games

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

Week of 11/4100.0*Chance wins title100.0*Average seed
LeÃ;µes 28 XVmarÃ;§o 12 +11.9
+0.5
Werklagger 10 AtlÃ;©ticoWal 34 -5.7
-0.2
AEV 10 UDR 31 +5.6
+0.1
CCP 24 UBR 24 +1.3
+0.1
Week of 11/11100.0*Chance wins title100.0*Average seed
Riolagen 21 LeÃ;µes 14 -19.3
-0.5
AtlÃ;©ticoWal 21 AEV 35 +11.4
-0.0
Week of 11/18100.0*Chance wins title100.0*Average seed
LeÃ;µes 38 Destecheu 21 +13.4
+0.7
AEV 34 Werklagger 10 No
-0.3
CCP 16 AtlÃ;©ticoWal 14 +12.3
+0.3
Ferroviarios 33 UDR 56 -0.2
Points
Chance Will Win Championship