How are these numbers calculated?

Big Games

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

Week of 11/15100.0*Serie C100.0*Average seed
ABC 4 ASA 1 -19.6
+0.7
Icasa 2 Paysandu 1 -4.3
+0.1
Guaratingueta 0 Ceara 1 -2.9
+0.2
America-MG 3 Atletico-GO 0 -2.0
+0.1
Avai 0 America-RN 1 +0.7
-0.3
Chapecoense 1 Bragantino 1 +0.5
-0.1
Oeste 2 Figueirense 2 +0.0
Week of 11/22100.0*Serie C100.0*Average seed
Oeste 2 Atletico-GO 4 +7.7
+0.0
ABC 1 Avai 0 No
+0.8
Guaratingueta 3 Parana 4 -3.5
+0.2
Paysandu 0 Bragantino 1 -3.4
-0.2
Sao Caetano 2 America-RN 2 -0.0
Week of 11/29100.0*Serie C100.0*Average seed
America-MG 0 ABC 0 +0.1
Bragantino 1 Figueirense 1 -0.1
Points
Chance Will Win Championship