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*Average seed
LeÃ;µes 28 XVmarÃ;§o 12 +0.2
AEV 10 UDR 31 -0.1
Werklagger 10 AtlÃ;©ticoWal 34 +0.1
CCP 24 UBR 24 -0.1
Week of 11/11100.0*Average seed
Destecheu 14 Fortaleza 56 +0.7
UBR 34 Ferroviarios 56 -0.1
UDR 14 CCP 10 -0.1
XVmarÃ;§o 21 Werklagger 28 -0.0
Week of 11/18100.0*Average seed
Fortaleza 56 UBR 42 +0.5
AEV 34 Werklagger 10 +0.2
Ferroviarios 33 UDR 56 +0.2
Points
Chance Will Win Championship