How are these numbers calculated?

Big Games

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

Week of 9/28100.0*Chance in playoffs100.0*Average seed
Fortaleza 2 Luverdense 1 +28.2
+1.5
CRB 1 Cuiaba 1 +2.4
+0.2
Santa Cruz 0 Sampaio Correa 0 +2.2
+0.1
Brasiliense 2 Treze 2 +1.6
+0.2
Rio Branco 0 Santa Cruz 2 -1.1
-0.1
Aguia de Maraba 3 Baraunas 1 -0.9
-0.1
Week of 10/5100.0*Chance in playoffs100.0*Average seed
Cuiaba 1 Fortaleza 1 -8.6
-0.3
Sampaio Correa 2 Rio Branco 1 -3.2
-0.1
Baraunas 0 Luverdense 1 -2.0
-0.1
Santa Cruz 2 Brasiliense 0 +0.6
-0.0
Sampaio Correa 2 CRB 1 -0.3
+0.0
Aguia de Maraba 5 Treze 2 +0.2
+0.0
Week of 10/12100.0*Chance in playoffs100.0*Average seed
Treze 1 Santa Cruz 0 -12.1
-0.1
Brasiliense 1 Cuiaba 2 +8.9
+0.3
Fortaleza 2 Sampaio Correa 2 -7.9
-0.7
CRB 3 Baraunas 2 -4.6
-0.2
Luverdense 3 Aguia de Maraba 0 -1.4
+0.0
Points
Chance Will Make Playoffs

Lottery

We are out of the playoffs. Here are the big games and what ifs for draft seeds.
Although it might be more fun to go down swinging.

Big Games

Week of 9/28100.0*Lottery seed
Fortaleza 2 Luverdense 1 -2.1
Brasiliense 2 Treze 2 -0.3
CRB 1 Cuiaba 1 -0.3
Santa Cruz 0 Sampaio Correa 0 -0.2
Rio Branco 0 Santa Cruz 2 +0.2
Aguia de Maraba 3 Baraunas 1 +0.1
Week of 10/5100.0*Lottery seed
Cuiaba 1 Fortaleza 1 +0.7
Baraunas 0 Luverdense 1 +0.2
Sampaio Correa 2 Rio Branco 1 +0.1
Santa Cruz 2 Brasiliense 0 +0.1
Aguia de Maraba 5 Treze 2 -0.1
Sampaio Correa 2 CRB 1 -0.1
Week of 10/12100.0*Lottery seed
Fortaleza 2 Sampaio Correa 2 +1.8
Brasiliense 1 Cuiaba 2 -0.2
Treze 1 Santa Cruz 0 -0.2
CRB 3 Baraunas 2 +0.1
Luverdense 3 Aguia de Maraba 0 +0.1