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*Serie A100.0*Average seed
Ponte Preta 2 Coritiba 0 +21.0
+1.0
Juventude 0 Ponte Preta 1 +10.7
+0.8
Avai 0 Fortaleza 1 +3.1
+0.1
Oeste 0 Londrina 0 +3.1
+0.1
Coritiba 1 Goias 0 +2.1
CSA 0 Atletico-GO 0 +1.4
+0.1
Vila Nova 3 Figueirense 1 -0.9
-0.2
Guarani 0 Paysandu 2 +0.5
+0.1
Week of 11/16100.0*Serie A100.0*Average seed
Oeste 1 Goias 3 -8.3
-0.3
Vila Nova 2 Criciuma 2 +4.7
+0.1
Londrina 1 CRB 2 +4.6
+0.2
CSA 0 Avai 1 -2.3
+0.1
Atletico-GO 1 Sao Bento 0 -0.8
-0.1
Week of 11/23100.0*Serie A100.0*Average seed
Juventude 0 CSA 4 -18.2
-0.2
Avai 0 Ponte Preta 0 -4.8
-0.5
Paysandu 2 Atletico-GO 5 -0.9
-0.1
Goias 0 Brasil de Pelotas 1 +0.2
Points
Chance Will Win Championship