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*Serie B100.0*Average seed
Criciuma 0 Gremio 2 -25.1
+0.8
Fortaleza 5 Parana 3 +7.8
-0.2
Corinthians 1 Bahia 2 +6.4
-0.2
Ponte Preta 1 Sao Paulo 2 -5.3
+0.1
Fluminense 2 Sao Caetano 1 +3.8
-0.1
Juventude 1 Atletico-MG 0 +1.8
-0.1
Cruzeiro 2 Paysandu 1 -0.3
Vasco da Gama 1 Figueirense 0 *+0.1
Week of 12/6100.0*Serie B100.0*Average seed
Santos 2 Gremio 2 +9.6
-0.4
Criciuma 3 Bahia 2 -8.7
+0.2
Cruzeiro 5 Fluminense 2 -2.5
+0.2
Guarani 2 Paysandu 1 -2.3
+0.2
Flamengo 1 Ponte Preta 1 -1.1
+0.0
Fortaleza 2 Coritiba 2 -0.7
+0.1
Juventude 2 Sao Caetano 1 +0.2
-0.1
Week of 12/13100.0*Serie B100.0*Average seed
Gremio 3 Corinthians 0 No
+1.8
Ponte Preta 2 Fortaleza 0 +18.9
-0.2
Bahia 0 Cruzeiro 7 -12.0
+0.3
Fluminense 1 Juventude 0 -0.2
Paysandu 2 Atletico-PR 2 +0.1

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

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