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 C100.0*Average seed
Guarani 1 Vitoria 2 -22.1
+0.7
Figueirense 3 Brasil de Pelotas 0 +8.0
-0.2
CRB 5 Figueirense 1 -7.1
+0.1
Sampaio Correa 2 Parana 1 -5.4
+0.1
Nautico 4 Oeste 1 +4.8
-0.2
Ponte Preta 2 Nautico 0 -3.4
+0.1
Parana 0 Cuiaba 2 -3.0
+0.1
Botafogo-SP 1 CSA 3 -0.7
+0.1
Oeste 0 Confianca 1 +0.6
-0.1
America-MG 1 Botafogo-SP 1 -0.2
Vitoria 0 Chapecoense 0 -0.1
-0.0
Juventude 1 Cruzeiro 0 -0.1
Week of 1/22100.0*Serie C100.0*Average seed
Juventude 2 Figueirense 1 -7.0
+0.1
Vitoria 1 Botafogo-SP 0 No
+0.5
Oeste 1 Parana 0 -1.2
CSA 1 Brasil de Pelotas 1 -0.1
Confianca 0 America-MG 0 -0.0
Cruzeiro 0 Nautico 0 +0.0
Week of 1/29100.0*Serie C100.0*Average seed
Brasil de Pelotas 0 Vitoria 1 +0.7
Nautico 1 CSA 1 +0.2
Chapecoense 3 Confianca 1 +0.1
Points
Chance Will Win Championship