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 A100.0*Average seed
Guarani 0 Paysandu 2 No
-0.8
Coritiba 1 Goias 0 +0.5
-0.1
Juventude 0 Ponte Preta 1 -0.4
-0.1
Avai 0 Fortaleza 1 +0.3
Oeste 0 Londrina 0 +0.3
+0.1
Vila Nova 3 Figueirense 1 -0.1
-0.1
CSA 0 Atletico-GO 0 +0.1
+0.0
Sampaio Correa 2 Sao Bento 1 +0.1
Ponte Preta 2 Coritiba 0 +0.1
Figueirense 2 Paysandu 3 +0.1
Week of 11/16100.0*Serie A100.0*Average seed
Brasil de Pelotas 1 Guarani 1 -0.1
Atletico-GO 1 Sao Bento 0 -0.1
Londrina 1 CRB 2 +0.1
Week of 11/23100.0*Serie A100.0*Average seed
Guarani 1 Londrina 0 +0.4
Coritiba 1 Fortaleza 0 -0.3
Points
Chance Will Win Championship