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
Jacuipense 0 Vitória 1 -0.1
-0.2
+0.1
Bahia de Feira 3 Vitória da Conquista 0 -0.0
-0.1
+0.1
Juazeirense 2 Jequié 1 +0.0
Jacuipense 1 Flu de Feira 0 +1.7
-0.2
Flu de Feira 0 Bahia de Feira 2 +0.1
-0.1
Week of 2/25100.0*Chance in playoffs100.0*Segunda Divisão100.0*Average seed
Jacuipense 4 Jacobina 0 Out
+4.6
-0.5
EC Bahia 2 Atlântico 1 -2.3
+0.0
Week of 3/4100.0*Chance in playoffs100.0*Segunda Divisão100.0*Average seed
Vitória 2 Jacobina 1 +3.2
-0.1
Bahia de Feira 2 Atlântico 2 -2.3
+0.0
Vitória da Conquista 1 Flu de Feira 2 -0.2
+0.1
Jequié 0 Jacuipense 1 -0.0
If winner is:HomeDrawAway
Atlântico vs Juazeirense+51.1NoNo
-0.5+0.1+0.1
Jacobina vs Vitória da ConquistaNo+7.3+7.3
+0.8-0.4-0.4

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seedSegunda
TPW-OTLDplayoffs12345678910DivisãoCount
71-000Out100No6,959,287,280
50-001Out802020.5%4,860,748,109
40-010Out802020.57,642,713,731
Total:Out36511313.2%19,462,749,120
Points
Chance Will Make Playoffs