How are these numbers calculated?

Big Games

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

Week of 11/6100.0*Serie C100.0*Average seed
Remo 3 Fortaleza 2 +0.2
Sao Caetano 2 Ituano 2 -0.0
Week of 11/13100.0*Serie C100.0*Average seed
Criciuma 1 Paulista 2 Yes
Ituano 2 Remo 1 Yes
-0.1
Santo Andre 1 Gama 0 Yes
Ituano 0 CRB 1 +0.1
Vitoria 1 Remo 1 +0.1
Week of 11/24None
Points
Chance Will Win Championship