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
D.C. United 2 Árabe Unido 0 -1.7
+0.1
Santa Tecla 0 Real Salt Lake 0 +0.3
+0.1
Querétaro 8 Verdes 0 -0.3
Vancouver White 1 Olimpia 0 -0.2
+0.1
Isidro Metapán 2 Herediano 0 +0.1
-0.1
Central 1 Comunicaciones 0 -0.1
Walter Ferretti 1 América 3 +0.2
W Connection 2 Saprissa 1 -0.2
If winner is:HomeDrawAway
Week of 9/22100.0*Chance in playoffs100.0*Average seed
Seattle Sounder vs Vancouver White-0.2+1.0-0.1
-0.1+0.0+0.1
Montego Bay Uni vs D.C. United+0.6OutOut
+2.8-0.8-2.6
Isidro Metapán vs UANL+0.1+0.2-0.2
-0.1-0.1+0.2
Real Salt Lake vs Santa Tecla-0.2+0.2+0.2
+0.1+0.1-0.2
Walter Ferretti vs Motagua+0.2-0.0-0.2
-0.1+0.0+0.1
W Connection vs Santos Laguna-0.1+0.2+0.0
-0.2-0.1+0.2
Central vs LA Galaxy-0.2+0.1+0.1
-0.2+0.0+0.2
Verdes vs San Francisco+0.0+0.1-0.1
-0.1+0.0+0.0

What If

Chances based on how well the Montego Bay Uni finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inHighestChance will finish regular season at seed
TPW-OTLDplayoffsSeed123456789101112131415161718192021222324Count
62-0002.4%No002101923211473100571,049
41-001OutNo015142628187200422,624
31-010OutNo01391520201611411,140,788
20-002OutNo2173833978,231
10-011OutNo3234628422,054
00-020OutNo1991571,190
Total:0.4%No0002344334566777810203,205,936
Points
Chance Will Make Playoffs