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 No
-0.2
Sao Caetano 4 Boa Esporte 2 +0.6
+21.4
+0.4
Guaratingueta 1 Vitoria 0 +0.4
+3.3
+0.1
America-RN 1 Criciuma 4 -0.4
-8.1
-0.1
ASA 2 Atletico-PR 3 -0.1
-11.2
-0.1
Bragantino 1 Joinville 0 +0.2
+0.1
Week of 11/17100.0*Chance wins title100.0*Serie A*100.0*Average seed
Sao Caetano 1 Goias 1 -10.0
-0.2
Criciuma 0 Atletico-PR 0 -3.0
-0.0
Joinville 1 Vitoria 1 -2.7
-0.0
Week of 11/23100.0*Chance wins title100.0*Serie A*100.0*Average seed
Guarani 1 Sao Caetano 2 +37.9
+0.5
Vitoria 1 Ceara 1 -8.4
-0.1
Atletico-PR 1 Parana 1 -8.4
-0.1
Points
Chance Will Win Championship