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 +8.7
Guarani 0 Paysandu 2 +4.9
-0.1
Criciuma 3 CRB 3 -0.4
-0.3
Juventude 0 Ponte Preta 1 -0.2
Boa Esporte 0 Brasil de Pelotas 1 +0.1
-0.2
Oeste 0 Londrina 0 +0.0
Vila Nova 3 Figueirense 1 +0.1
Coritiba 1 Goias 0 -0.1
Sampaio Correa 2 Sao Bento 1 +0.1
Week of 11/16100.0*Serie C100.0*Average seed
Londrina 1 CRB 2 +7.4
-0.3
Vila Nova 2 Criciuma 2 -3.0
-0.2
Oeste 1 Goias 3 -0.8
+0.1
Atletico-GO 1 Sao Bento 0 -0.1
+0.1
Week of 11/23100.0*Serie C100.0*Average seed
Criciuma 2 Sampaio Correa 0 No
+1.3
Paysandu 2 Atletico-GO 5 No
+0.2
Boa Esporte 0 Oeste 0 +2.2
+0.1
Sao Bento 2 Vila Nova 2 -0.1
CRB 2 Figueirense 1 -0.0
Points
Chance Will Win Championship