How are these numbers calculated?

Big Games

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

Week of 1/15100.0*Serie A100.0*Serie C100.0*Average seed
Figueirense 3 Brasil de Pelotas 0 -1.0
-1.3
Juventude 1 Cruzeiro 0 +0.1
Avai 5 Juventude 2 -0.1
Sampaio Correa 2 Parana 1 -0.2
Brasil de Pelotas 0 America-MG 0 No
-0.1
Botafogo-SP 1 CSA 3 No
Ponte Preta 2 Nautico 0 -0.1
Confianca 0 Sampaio Correa 1 -0.0
Oeste 0 Confianca 1 -0.1
CRB 5 Figueirense 1 No
-0.2
Cruzeiro 2 Operario-PR 1 -0.2
Guarani 1 Vitoria 2 +0.1
Week of 1/22100.0*Serie A100.0*Serie C100.0*Average seed
Avai 2 Guarani 1 +0.3
Cruzeiro 0 Nautico 0 +0.2
Ponte Preta 3 CRB 1 +0.1
CSA 1 Brasil de Pelotas 1 -0.1
Cuiaba 1 Sampaio Correa 3 -0.1
Operario-PR 2 Chapecoense 0 -0.1
Week of 1/29100.0*Serie A100.0*Serie C100.0*Average seed
Brasil de Pelotas 0 Vitoria 1 -1.2
CRB 4 Cuiaba 1 -0.4
Guarani 0 Juventude 1 +0.3
Chapecoense 3 Confianca 1 +0.1
Parana 0 Cruzeiro 0 +0.0
Points
Chance Will Win Championship