How are these numbers calculated?

Big Games

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

Week of 11/9100.0*Serie C100.0*Average seed
Boa Esporte 0 Brasil de Pelotas 1 No
+1.1
Juventude 0 Ponte Preta 1 -0.2
Figueirense 2 Paysandu 3 +0.2
Sampaio Correa 2 Sao Bento 1 +0.2
Ponte Preta 2 Coritiba 0 +0.2
Criciuma 3 CRB 3 +0.1
Coritiba 1 Goias 0 -0.1
Vila Nova 3 Figueirense 1 +0.1
Oeste 0 Londrina 0 +0.1
Guarani 0 Paysandu 2 +0.1
Week of 11/16100.0*Serie C100.0*Average seed
Brasil de Pelotas 1 Guarani 1 -0.5
Atletico-GO 1 Sao Bento 0 +0.2
Oeste 1 Goias 3 +0.2
Londrina 1 CRB 2 -0.1
Vila Nova 2 Criciuma 2 +0.0
Week of 11/23100.0*Serie C100.0*Average seed
Goias 0 Brasil de Pelotas 1 +0.8
Coritiba 1 Fortaleza 0 -0.2
Sao Bento 2 Vila Nova 2 +0.2
Boa Esporte 0 Oeste 0 +0.1
CRB 2 Figueirense 1 -0.1
Points
Chance Will Win Championship