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 +16.3
-1.3
Vitoria 1 Sao Paulo 4 -4.5
+0.2
Juventude 1 Botafogo 0 -2.2
+0.1
Atletico-MG 0 Paysandu 0 -1.3
+0.1
Corinthians 3 Vasco da Gama 1 -0.7
+0.1
Guarani 2 Figueirense 1 +0.6
Flamengo 0 Coritiba 0 *+0.1
Week of 12/11100.0*Serie B100.0*Average seed
Palmeiras 3 Criciuma 2 +25.6
-1.4
Cruzeiro 4 Vitoria 0 -6.7
+0.3
Gremio 0 Atletico-MG 1 +4.9
-0.2
Botafogo 1 Corinthians 2 -4.7
+0.1
Vasco da Gama 1 Atletico-PR 0 +2.4
-0.1
Paysandu 4 Guarani 2 +1.5
-0.2
Sao Paulo 1 Flamengo 1 -0.2
+0.0
Week of 12/19100.0*Serie B100.0*Average seed
Atletico-MG 3 Sao Caetano 0 +8.4
-0.3
Vitoria 1 Ponte Preta 2 -4.6
+0.3
Atletico-PR 1 Botafogo 1 +3.7
+0.0
Criciuma 3 Coritiba 3 +3.7
-0.2
Flamengo 6 Cruzeiro 2 +3.0
-0.2

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

Points
Chance Will Win Championship