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 -24.1
-0.8
Bragantino 1 Vasco da Gama 2 -4.1
-0.1
CRB 0 Paysandu 1 +2.6
+0.1
Luverdense 2 Bahia 2 +1.9
+0.1
Sampaio Correa 1 Londrina 3 -1.3
-0.1
Ceara 2 Vila Nova 3 +0.6
+0.0
Week of 11/18100.0*Serie A100.0*Average seed
Tupi 1 Nautico 4 +18.9
+0.6
Bahia 3 Bragantino 2 -8.6
-0.1
Criciuma 1 Vasco da Gama 0 +2.3
+0.1
Brasil de Pelotas 1 CRB 0 +0.4
+0.1
Londrina 0 Avai 1 -0.1
+0.1
Week of 11/25100.0*Serie A100.0*Average seed
Nautico 0 Oeste 2 No
-0.5
Vasco da Gama 2 Ceara 1 -15.8
-0.3
Atletico-GO 2 Bahia 1 +12.6
+0.3
Points
Chance Will Win Championship