How are these numbers calculated?

Big Games

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

Week of 11/13100.0*Serie C100.0*Average seed
Atletico-GO 3 Macae 4 +11.9
-0.9
Vitoria 1 Ceara 0 -2.7
+0.1
Parana 1 America-MG 0 +0.4
-0.2
Oeste 1 Criciuma 1 +0.2
Week of 11/20100.0*Serie C100.0*Average seed
Atletico-GO 3 Oeste 1 No
+1.2
Macae 1 Boa Esporte 1 -0.8
+0.0
Paysandu 1 Criciuma 0 +0.2
Parana 0 Bragantino 2 +0.1
America-MG 1 Ceara 1 +0.1
Week of 11/27100.0*Serie C100.0*Average seed
Bahia 1 Atletico-GO 0 -1.0
Criciuma 2 CRB 1 -0.3
Oeste 0 Paysandu 0 +0.1
Ceara 1 Macae 0 +0.1
Sampaio Correa 1 Parana 1 +0.0
Points
Chance Will Win Championship