How are these numbers calculated?

Big Games

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

Week of 11/11100.0*Serie A100.0*Average seed
Avai 3 Nautico 0 -25.9
-0.9
Bragantino 1 Vasco da Gama 2 -5.6
-0.2
CRB 0 Paysandu 1 +2.6
+0.1
Sampaio Correa 1 Londrina 3 -2.0
-0.1
Luverdense 2 Bahia 2 +1.3
+0.1
Ceara 2 Vila Nova 3 +0.9
+0.1
Week of 11/18100.0*Serie A100.0*Average seed
Tupi 1 Nautico 4 +22.4
+0.9
Bahia 3 Bragantino 2 -9.2
-0.1
Criciuma 1 Vasco da Gama 0 +1.0
Londrina 0 Avai 1 +0.9
+0.2
Brasil de Pelotas 1 CRB 0 +0.6
+0.1
Ceara 1 Parana 1 +0.0
Vila Nova 2 Paysandu 2 +0.0
Week of 11/25100.0*Serie A100.0*Average seed
Nautico 0 Oeste 2 No
-0.4
Vasco da Gama 2 Ceara 1 -14.6
-0.2
Atletico-GO 2 Bahia 1 +8.9
+0.2
Points
Chance Will Win Championship