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 +3.0
+0.1
Parana 1 America-MG 0 -1.3
+0.9
Vitoria 1 Ceara 0 -0.4
+0.1
Oeste 1 Criciuma 1 -0.3
+0.1
Week of 11/20100.0*Serie C100.0*Average seed
Parana 0 Bragantino 2 -0.5
Paysandu 1 Criciuma 0 +0.2
Macae 1 Boa Esporte 1 +0.1
America-MG 1 Ceara 1 +0.0
Atletico-GO 3 Oeste 1 +0.0
Week of 11/27100.0*Serie C100.0*Average seed
Criciuma 2 CRB 1 -0.3
Bahia 1 Atletico-GO 0 +0.3
Sampaio Correa 1 Parana 1 -0.1
Points
Chance Will Win Championship