How are these numbers calculated?

Big Games

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

Week of 2/18100.0*Chance in playoffs100.0*Segunda Divisão100.0*Average seed
Flu de Feira 0 Bahia de Feira 2 -20.5
-0.9
Jacuipense 1 Flu de Feira 0 -11.7
-0.6
Bahia de Feira 3 Vitória da Conquista 0 -5.9
-0.1
Vitória 0 EC Bahia 3 -1.9
-0.0
Jacuipense 0 Vitória 1 -1.9
-0.1
Juazeirense 2 Jequié 1 +1.7
Week of 2/25100.0*Chance in playoffs100.0*Segunda Divisão100.0*Average seed
Flu de Feira 3 Juazeirense 1 +25.2
No
+1.0
EC Bahia 2 Atlântico 1 -5.6
No
-0.2
Jequié 1 Vitória 5 +1.0
+0.0
Jacuipense 4 Jacobina 0 -0.2
No
Week of 3/4100.0*Chance in playoffs100.0*Segunda Divisão100.0*Average seed
Vitória da Conquista 1 Flu de Feira 2 +28.3
+1.0
Juazeirense 1 EC Bahia 2 -3.7
-0.1
Jequié 0 Jacuipense 1 +3.2
+0.1
Bahia de Feira 2 Atlântico 2 +1.8
+0.0
Vitória 2 Jacobina 1 -1.4
-0.1
If winner is:HomeDrawAway
Jacuipense vs Bahia de FeiraInIn-26.8
+0.2+0.2-0.4
Flu de Feira vs VitóriaIn-0.5-15.7
+1.4-0.6-1.0
Atlântico vs Juazeirense+7.7-4.6-4.6
+0.3-0.1-0.3
EC Bahia vs Jequié-0.8-0.8+1.3
-0.3+0.1+0.2

What If

Chances based on how well the Flu de Feira finish out the regular season.   Explain

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seedSegunda
TPW-OTLDplayoffs12345678910DivisãoCount
191-000In3941163No2,361,648,121
170-00183.5%4304917No1,572,247,951
160-01068.295932No2,361,584,568
Total:83.9%1517173616No6,295,480,640
Points
Chance Will Make Playoffs