How are these numbers calculated?

Big Games

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

Week of 11/9100.0*Serie C100.0*Average seed
Figueirense 2 Paysandu 3 +16.3
-0.1
Guarani 0 Paysandu 2 +10.8
-0.1
Criciuma 3 CRB 3 +1.9
-0.3
Juventude 0 Ponte Preta 1 -1.2
Sampaio Correa 2 Sao Bento 1 +0.3
+0.1
Boa Esporte 0 Brasil de Pelotas 1 +0.2
-0.2
Oeste 0 Londrina 0 +0.1
Vila Nova 3 Figueirense 1 +0.1
Coritiba 1 Goias 0 -0.1
Week of 11/16100.0*Serie C100.0*Average seed
Londrina 1 CRB 2 -26.0
+1.0
Vila Nova 2 Criciuma 2 -3.2
+0.2
Oeste 1 Goias 3 -2.9
+0.3
Atletico-GO 1 Sao Bento 0 -0.1
+0.1
Brasil de Pelotas 1 Guarani 1 +0.1
Week of 11/23100.0*Serie C100.0*Average seed
Criciuma 2 Sampaio Correa 0 +6.9
-0.4
CRB 2 Figueirense 1 No
+2.0
Paysandu 2 Atletico-GO 5 No
+0.2
Boa Esporte 0 Oeste 0 +1.3
-0.1
Sao Bento 2 Vila Nova 2 +0.2
+0.1
Goias 0 Brasil de Pelotas 1 -0.2
Points
Chance Will Win Championship