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
Vitoria 1 Sao Paulo 4 +14.1
-0.9
Criciuma 1 Parana 2 -3.3
+0.1
Atletico-MG 0 Paysandu 0 -1.8
+0.1
Juventude 1 Botafogo 0 -1.5
+0.1
Guarani 2 Figueirense 1 +1.2
-0.1
Corinthians 3 Vasco da Gama 1 -1.2
+0.1
Flamengo 0 Coritiba 0 +0.2
+0.0
Internacional 2 Cruzeiro 0 +0.0
Week of 12/11100.0*Serie B100.0*Average seed
Cruzeiro 4 Vitoria 0 +27.7
-1.3
Palmeiras 3 Criciuma 2 -3.2
+0.1
Gremio 0 Atletico-MG 1 +3.0
-0.2
Botafogo 1 Corinthians 2 -2.7
+0.1
Vasco da Gama 1 Atletico-PR 0 +1.6
-0.2
Sao Paulo 1 Flamengo 1 +0.8
Paysandu 4 Guarani 2 +0.3
-0.0
Week of 12/19100.0*Serie B100.0*Average seed
Vitoria 1 Ponte Preta 2 Yes
-1.1
Atletico-MG 3 Sao Caetano 0 +5.9
-0.2
Criciuma 3 Coritiba 3 -2.1
-0.0
Atletico-PR 1 Botafogo 1 -1.6
+0.1
Flamengo 6 Cruzeiro 2 +1.6
-0.1
Guarani 2 Gremio 0 -0.3
Points
Chance Will Win Championship