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
CSA 0 Atletico-GO 0 No
-2.6
-0.2
Avai 0 Fortaleza 1 No
+1.2
+0.1
Ponte Preta 2 Coritiba 0 -2.9
-0.1
Coritiba 1 Goias 0 +1.6
+0.2
Juventude 0 Ponte Preta 1 -1.4
-0.1
Oeste 0 Londrina 0 +1.1
+0.0
Vila Nova 3 Figueirense 1 -0.5
Guarani 0 Paysandu 2 +0.2
Week of 11/16100.0*Chance wins title100.0*Serie A100.0*Average seed
CSA 0 Avai 1 -19.5
-0.9
Oeste 1 Goias 3 -3.0
-0.2
Londrina 1 CRB 2 +2.2
+0.1
Vila Nova 2 Criciuma 2 +2.2
+0.1
Atletico-GO 1 Sao Bento 0 -0.2
Week of 11/23100.0*Chance wins title100.0*Serie A100.0*Average seed
Juventude 0 CSA 4 Yes
+0.8
Avai 0 Ponte Preta 0 -13.6
+0.2
Paysandu 2 Atletico-GO 5 -0.5
-0.1
Goias 0 Brasil de Pelotas 1 +0.2
Points
Chance Will Win Championship