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
Vitória 0 EC Bahia 3 +25.3
No
+0.9
Juazeirense 2 Jequié 1 +3.6
+0.0
Bahia de Feira 3 Vitória da Conquista 0 -3.5
-0.1
Jacuipense 0 Vitória 1 -2.5
-0.1
Jacuipense 1 Flu de Feira 0 +2.3
+0.1
Flu de Feira 0 Bahia de Feira 2 -1.7
+0.1
Week of 2/25100.0*Chance in playoffs100.0*Segunda Divisão100.0*Average seed
EC Bahia 2 Atlântico 1 +10.6
+0.4
Flu de Feira 3 Juazeirense 1 -8.4
-0.1
Jequié 1 Vitória 5 +2.8
-0.1
Week of 3/4100.0*Chance in playoffs100.0*Segunda Divisão100.0*Average seed
Juazeirense 1 EC Bahia 2 +14.2
+1.0
Bahia de Feira 2 Atlântico 2 +5.6
+0.2
Vitória da Conquista 1 Flu de Feira 2 -5.2
-0.1
Jequié 0 Jacuipense 1 +0.9
Vitória 2 Jacobina 1 -0.6
-0.1
If winner is:HomeDrawAway
EC Bahia vs JequiéInIn-4.2
+0.6-0.9-1.2
Jacuipense vs Bahia de FeiraInIn-1.0
Flu de Feira vs Vitória-0.5-0.1In
+0.0+0.4-0.2
Atlântico vs JuazeirenseIn+0.0-0.2
+0.2+0.2-0.2

What If

Chances based on how well the EC Bahia finish out the regular season.   Explain

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seedSegunda
TPW-OTLDplayoffs12345678910DivisãoCount
201-000In6040No12,402,699,820
180-001In305119No4,860,814,456
170-01095.3%2146285No2,199,234,844
Total:99.5%38351881No19,462,749,120
Points
Chance Will Make Playoffs