How are these numbers calculated?

Big Games

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

Week of 11/11100.0*Serie C100.0*Average seed
Goias 0 Ceara 0 -0.8
-0.2
Guarani 2 CRB 1 +0.8
Boa Esporte 4 Santa Cruz 2 +0.6
-0.1
Paysandu 2 Brasil de Pelotas 3 +0.2
-0.1
Figueirense 1 America-MG 2 -0.1
+0.1
Week of 11/17100.0*Serie C100.0*Average seed
Guarani 0 Luverdense 0 No
+0.2
Juventude 0 Figueirense 0 +0.1
-0.0
Goias 0 Internacional 2 -0.9
CRB 0 Parana 1 +0.2
Boa Esporte 2 Brasil de Pelotas 1 -0.2
Paysandu 4 Santa Cruz 2 -0.2
Criciuma 1 Ceara 1 -0.1
Week of 11/24100.0*Serie C100.0*Average seed
Internacional 2 Guarani 0 +0.3
Figueirense 1 Paysandu 0 -0.3
Oeste 1 Goias 1 +0.2
America-MG 1 CRB 0 +0.2
Points
Chance Will Win Championship