How are these numbers calculated?

Big Games

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

Week of 11/29100.0*Average seed
Vitoria 1 Coritiba 0 +0.7
Vasco da Gama 1 Figueirense 0 -0.1
Cruzeiro 2 Paysandu 1 +0.0
Week of 12/6100.0*Average seed
Vitoria 0 Atletico-MG 1 -0.7
Goias 0 Figueirense 3 -0.1
Criciuma 3 Bahia 2 -0.1
Guarani 2 Paysandu 1 -0.1
Corinthians 1 Parana 1 +0.0
Week of 12/13100.0*Average seed
Parana 2 Vitoria 0 -0.1
Points
Chance Will Win Championship