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*Highest Seed100.0*Average seed
Walter Ferretti 1 América 3 +1.2
+5.4
+0.4
W Connection 2 Saprissa 1 +0.2
+3.5
+0.3
D.C. United 2 Árabe Unido 0 +0.1
-2.6
-0.1
Vancouver White 1 Olimpia 0 -0.1
Santa Tecla 0 Real Salt Lake 0 +2.1
+0.1
Central 1 Comunicaciones 0 In
Isidro Metapán 2 Herediano 0 +0.1
If winner is:HomeDrawAway
Week of 9/22100.0*Chance in playoffs100.0*Highest Seed100.0*Average seed
Central vs LA Galaxy+30.8+29.8-7.6
+0.6+0.4-0.1
Montego Bay Uni vs D.C. United+8.7+8.7-1.8
+0.4+0.3-0.1
Real Salt Lake vs Santa Tecla-0.0+0.1+0.1
Seattle Sounder vs Vancouver White+0.0+0.0-0.1

What If

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

100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inHighestChance will finish regular season at seed
TPW-OTLDplayoffsSeed123456789101112131415161718192021222324Count
121-000In35.1%3548178,241,054
100-001In0.91134732711,652,951
90-010In0.0011435331420688,555
Total:In27.5%2740217310010,582,560
Points
Chance Will Make Playoffs