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
Avai 0 Fortaleza 1 No
-16.7
-0.8
Coritiba 1 Goias 0 +2.9
+0.2
Ponte Preta 2 Coritiba 0 -5.3
-0.2
Juventude 0 Ponte Preta 1 -3.9
-0.1
Vila Nova 3 Figueirense 1 -1.9
-0.1
Oeste 0 Londrina 0 +1.8
+0.1
CSA 0 Atletico-GO 0 +1.7
+0.1
Guarani 0 Paysandu 2 +0.3
Week of 11/16100.0*Chance wins title100.0*Serie A100.0*Average seed
CSA 0 Avai 1 +30.6
+1.2
Oeste 1 Goias 3 -4.8
-0.2
Londrina 1 CRB 2 +3.3
+0.2
Vila Nova 2 Criciuma 2 +2.6
+0.1
Atletico-GO 1 Sao Bento 0 -0.4
-0.1
Week of 11/23100.0*Chance wins title100.0*Serie A100.0*Average seed
Juventude 0 CSA 4 -21.1
-0.4
Avai 0 Ponte Preta 0 Yes
+0.3
Goias 0 Brasil de Pelotas 1 +0.3
Points
Chance Will Win Championship