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*Chance wins title100.0*Serie A100.0*Average seed
Coritiba 1 Goias 0 No
-13.6
-0.6
Avai 0 Fortaleza 1 +4.0
+0.2
Ponte Preta 2 Coritiba 0 -3.9
-0.2
Oeste 0 Londrina 0 +1.8
+0.0
Juventude 0 Ponte Preta 1 -1.6
-0.1
CSA 0 Atletico-GO 0 +1.6
+0.1
Vila Nova 3 Figueirense 1 -1.4
Guarani 0 Paysandu 2 +0.4
Week of 11/16100.0*Chance wins title100.0*Serie A100.0*Average seed
Oeste 1 Goias 3 +24.3
+1.0
Londrina 1 CRB 2 +4.2
+0.1
Vila Nova 2 Criciuma 2 +3.7
+0.1
CSA 0 Avai 1 -3.4
-0.1
Atletico-GO 1 Sao Bento 0 -0.5
-0.1
Week of 11/23100.0*Chance wins title100.0*Serie A100.0*Average seed
Goias 0 Brasil de Pelotas 1 -0.8
Juventude 0 CSA 4 -0.3
Avai 0 Ponte Preta 0 +0.2
Points
Chance Will Win Championship