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
Sampaio Correa 2 Parana 1 +14.2
-0.5
Parana 0 Cuiaba 2 +10.7
-0.4
Figueirense 3 Brasil de Pelotas 0 +5.0
-0.2
CRB 5 Figueirense 1 -3.9
+0.1
Guarani 1 Vitoria 2 +3.7
-0.1
Nautico 4 Oeste 1 +3.2
-0.1
Ponte Preta 2 Nautico 0 -2.6
+0.1
Botafogo-SP 1 CSA 3 -0.7
+0.1
Oeste 0 Confianca 1 +0.4
Vitoria 0 Chapecoense 0 +0.4
-0.0
America-MG 1 Botafogo-SP 1 -0.1
Week of 1/22100.0*Serie C100.0*Average seed
Cruzeiro 0 Nautico 0 +2.3
Oeste 1 Parana 0 Yes
-0.4
Juventude 2 Figueirense 1 -0.8
+0.1
Vitoria 1 Botafogo-SP 0 +0.2
Week of 1/29100.0*Serie C100.0*Average seed
Parana 0 Cruzeiro 0 -0.2
Botafogo-SP 0 Operario-PR 1 +0.2
Figueirense 2 Ponte Preta 7 +0.2
Points
Chance Will Win Championship