How are these numbers calculated?

Big Games

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

Week of 11/15100.0*Serie C100.0*Average seed
ABC 4 ASA 1 Yes
-0.2
Icasa 2 Paysandu 1 -0.2
Guaratingueta 0 Ceara 1 -0.1
Sao Caetano 3 Joinville 2 -0.1
Week of 11/22100.0*Serie C100.0*Average seed
Figueirense 2 ASA 0 -0.2
Sao Caetano 2 America-RN 2 -0.1
Week of 11/29None
Points
Chance Will Win Championship