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 +12.3
Yes
+0.2
Guaratingueta 1 Vitoria 0 +11.9
+0.1
+0.2
America-RN 1 Criciuma 4 -7.0
-0.3
-0.1
ASA 2 Atletico-PR 3 -1.5
-0.2
Sao Caetano 4 Boa Esporte 2 -0.1
Week of 11/17100.0*Chance wins title100.0*Serie A*100.0*Average seed
Criciuma 0 Atletico-PR 0 +11.5
+0.1
Sao Caetano 1 Goias 1 +7.1
+0.1
Joinville 1 Vitoria 1 +1.8
+0.0
Week of 11/23100.0*Chance wins title100.0*Serie A*100.0*Average seed
Avai 1 Criciuma 1 Yes
+0.1
Goias 2 Joinville 1 Yes
+0.1
Points
Chance Will Win Championship