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 C100.0*Average seed
Paysandu 2 Brasil de Pelotas 3 -3.8
+1.3
Guarani 2 CRB 1 +0.9
Boa Esporte 4 Santa Cruz 2 +0.6
-0.1
Figueirense 1 America-MG 2 -0.1
+0.1
Nautico 1 Londrina 2 -0.1
Goias 0 Ceara 0 +0.1
Week of 11/17100.0*Serie C100.0*Average seed
Boa Esporte 2 Brasil de Pelotas 1 -0.9
Santa Cruz 5 Juventude 2 +0.2
Juventude 0 Figueirense 0 +0.1
Criciuma 1 Ceara 1 +0.1
Paysandu 4 Santa Cruz 2 -0.1
CRB 0 Parana 1 +0.1
Goias 0 Internacional 2 +0.1
Week of 11/24100.0*Serie C100.0*Average seed
Brasil de Pelotas 3 Criciuma 2 +1.6
Parana 1 Boa Esporte 1 +0.4
Points
Chance Will Win Championship