How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 11/12100.0*Chance wins title100.0*Serie A100.0*Average seed
Remo 0 Goias 1 +0.6
+19.2
+0.7
Botafogo 2 Operario-PR 1 -0.4
Coritiba 2 Brasil-RS 1 -0.4
-0.3
-0.1
Brusque 1 CRB 0 +5.5
+0.2
CSA 0 Confianca 0 +2.7
+0.1
Week of 11/19100.0*Chance wins title100.0*Serie A100.0*Average seed
Brasil-RS 0 Botafogo 1 No
Coritiba 0 CSA 1 +0.2
-3.8
-0.0
Guarani 0 Goias 2 Yes
+1.0
Nautico 1 Avai 2 -6.8
-0.2
CRB 3 Vitoria 1 -1.4
-0.1
Week of 11/26100.0*Chance wins title100.0*Serie A100.0*Average seed
Ponte Preta 3 Coritiba 2 +0.4
Goias 2 Brusque 2 +0.4
Avai 2 Sampaio Correa 1 -0.1
Points
Chance Will Win Championship