How are these numbers calculated?

Big Games

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

Week of 11/14100.0*Serie C100.0*Average seed
Icasa 1 Parana 2 -5.5
+1.1
Bragantino 2 Santa Cruz 1 +2.0
-0.1
Oeste 2 Nautico 0 +2.0
-0.1
Vila Nova 0 Oeste 1 +1.6
-0.1
ABC 1 Ceara 0 +0.8
-0.2
Atletico-GO 1 Bragantino 0 -0.3
+0.1
America-RN 2 Icasa 0 +0.0
Luverdense 1 America-MG 2 +0.2
Sampaio Correa 3 Boa Esporte 0 -0.1
Week of 11/21100.0*Serie C100.0*Average seed
Vila Nova 3 ABC 5 -0.3
America-RN 1 Nautico 0 +0.2
Week of 11/29100.0*Serie C100.0*Average seed
Parana 4 America-RN 1 +0.7
ABC 0 Bragantino 2 +0.5
Luverdense 1 Ceara 0 -0.2
Nautico 1 Ponte Preta 1 +0.2
Points
Chance Will Win Championship