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 A*100.0*Average seed
Goias 3 Barueri 0 -6.5
-0.3
-0.1
ASA 2 Atletico-PR 3 +5.9
+14.0
+0.6
Guaratingueta 1 Vitoria 0 +2.8
+2.0
+0.2
America-RN 1 Criciuma 4 -1.0
-1.6
-0.2
Sao Caetano 4 Boa Esporte 2 -0.1
-13.1
-0.2
Bragantino 1 Joinville 0 +0.4
Week of 11/17100.0*Chance wins title100.0*Serie A*100.0*Average seed
Criciuma 0 Atletico-PR 0 No
+2.4
-0.2
Sao Caetano 1 Goias 1 +0.5
+3.6
+0.1
Joinville 1 Vitoria 1 -0.7
+0.0
Week of 11/23100.0*Chance wins title100.0*Serie A*100.0*Average seed
Guarani 1 Sao Caetano 2 -14.7
-0.2
Atletico-PR 1 Parana 1 Yes
-0.1
Vitoria 1 Ceara 1 -4.8
-0.0
Avai 1 Criciuma 1 +0.1
Points
Chance Will Win Championship