How are these numbers calculated?

Big Games

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

Week of 9/15100.0*Chance in playoffs100.0*Average seed
Santa Tecla 0 Real Salt Lake 0 -14.5
-1.6
W Connection 2 Saprissa 1 -0.3
Walter Ferretti 1 América 3 +0.2
Vancouver White 1 Olimpia 0 +0.0
Central 1 Comunicaciones 0 -0.2
Isidro Metapán 2 Herediano 0 -0.2
D.C. United 2 Árabe Unido 0 +0.1
If winner is:HomeDrawAway
Week of 9/22100.0*Chance in playoffs100.0*Average seed
W Connection vs Santos Laguna-0.2+0.2+0.1
Seattle Sounder vs Vancouver White-0.1-0.1+0.1
Verdes vs San Francisco-0.1+0.2+0.1
Real Salt Lake vs Santa TeclaOutOut+0.0
-3.9-1.7+4.5
Isidro Metapán vs UANL-0.3+0.2+0.2
Walter Ferretti vs Motagua-0.2+0.3+0.1
Central vs LA Galaxy-0.3+0.2+0.2
Montego Bay Uni vs D.C. United-0.2+0.2+0.2

What If

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

100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inHighestChance will finish regular season at seed
TPW-OTLDplayoffsSeed123456789101112131415161718192021222324Count
51-0000.0%No000141323272092001,352,844
30-001OutNo2102430221020500,668
20-010OutNo319383191,352,424
Total:0.0%No000025101284124611181343,205,936
Points
Chance Will Make Playoffs