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
CCP 24 UBR 24 -3.6
-0.3
AEV 10 UDR 31 +3.6
-0.0
LeÃ;µes 28 XVmarÃ;§o 12 -1.0
-0.1
Week of 11/11100.0*Chance wins title100.0*Average seed
AtlÃ;©ticoWal 21 AEV 35 No
+0.1
UDR 14 CCP 10 No
-0.5
UBR 34 Ferroviarios 56 -0.1
XVmarÃ;§o 21 Werklagger 28 -0.1
Week of 11/18100.0*Chance wins title100.0*Average seed
CCP 16 AtlÃ;©ticoWal 14 +0.7
AEV 34 Werklagger 10 +0.2
Points
Chance Will Win Championship