How are these numbers calculated?

Big Games

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

Week of 11/19100.0*Serie B100.0*Average seed
Fortaleza 5 Fluminense 1 -1.1
+1.5
Sao Paulo 4 Figueirense 2 -0.5
Atletico-MG 1 Coritiba 0 -0.5
+0.1
Parana 0 Flamengo 1 +0.3
-0.2
Atletico-PR 2 Sao Caetano 2 -0.2
+0.1
Juventude 2 Goias 1 +0.2
-0.2
Ponte Preta 2 Palmeiras 6 -0.2
+0.2
Vasco da Gama 4 Paysandu 0 -0.2
Botafogo 2 Cruzeiro 1 -0.1
Week of 11/27100.0*Serie B100.0*Average seed
Fortaleza 1 Sao Paulo 0 +1.5
Fluminense 1 Juventude 2 -0.2
Flamengo 0 Goias 0 +0.1
Corinthians 3 Ponte Preta 1 +0.1
Sao Caetano 1 Coritiba 1 +0.1
Atletico-MG 0 Vasco da Gama 0 +0.0
Week of 12/4100.0*Serie B100.0*Average seed
Botafogo 2 Fortaleza 0 -1.2
Juventude 1 Atletico-MG 3 +0.3
Sao Paulo 3 Atletico-PR 1 -0.3
Vasco da Gama 3 Parana 1 -0.2
Points
Chance Will Win Championship