How are these numbers calculated?

Big Games

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

Week of 12/4100.0*Serie B100.0*Average seed
Criciuma 1 Parana 2 -2.5
+1.3
Atletico-MG 0 Paysandu 0 -0.5
+0.1
Corinthians 3 Vasco da Gama 1 -0.5
+0.1
Guarani 2 Figueirense 1 +0.2
Juventude 1 Botafogo 0 +0.1
Internacional 2 Cruzeiro 0 +0.1
Vitoria 1 Sao Paulo 4 +0.0
Week of 12/11100.0*Serie B100.0*Average seed
Parana 0 Fluminense 1 -0.5
Cruzeiro 4 Vitoria 0 -0.2
Vasco da Gama 1 Atletico-PR 0 -0.1
Coritiba 1 Goias 0 -0.1
Paysandu 4 Guarani 2 -0.1
Palmeiras 3 Criciuma 2 +0.0
Sao Paulo 1 Flamengo 1 +0.0
Botafogo 1 Corinthians 2 +0.0
Week of 12/19100.0*Serie B100.0*Average seed
Internacional 2 Parana 1 -0.7
Juventude 1 Paysandu 2 -0.5
Atletico-MG 3 Sao Caetano 0 +0.4
Santos 2 Vasco da Gama 1 +0.3
Flamengo 6 Cruzeiro 2 +0.2
Points
Chance Will Win Championship