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
Figueirense 2 Paysandu 3 +1.6
+0.1
Guarani 0 Paysandu 2 +0.5
Oeste 0 Londrina 0 -0.2
-0.2
Boa Esporte 0 Brasil de Pelotas 1 -0.2
Criciuma 3 CRB 3 +0.1
Coritiba 1 Goias 0 -0.2
Sampaio Correa 2 Sao Bento 1 +0.2
Vila Nova 3 Figueirense 1 +0.1
Ponte Preta 2 Coritiba 0 +0.0
Week of 11/16100.0*Serie C100.0*Average seed
Oeste 1 Goias 3 +4.2
-1.1
Londrina 1 CRB 2 +2.4
-0.2
Vila Nova 2 Criciuma 2 -0.5
+0.1
Atletico-GO 1 Sao Bento 0 +0.2
Brasil de Pelotas 1 Guarani 1 +0.1
Week of 11/23100.0*Serie C100.0*Average seed
Paysandu 2 Atletico-GO 5 No
+0.2
Criciuma 2 Sampaio Correa 0 +5.7
-0.2
CRB 2 Figueirense 1 +1.2
-0.2
Boa Esporte 0 Oeste 0 +0.5
-1.1
Goias 0 Brasil de Pelotas 1 -0.2
Sao Bento 2 Vila Nova 2 +0.2
Points
Chance Will Win Championship