How are these numbers calculated?

Big Games

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

If winner is:HomeDrawAway
Week of 9/2100.0*Chance in playoffs100.0*Advanced100.0*Did not advance100.0*Average seed
St Vin vs USA-31.4-14.5+8.4
-31.4-14.5+8.4
+31.4+14.5-8.4
-0.6-0.3+0.2
USA vs Trin+11.3-1.3-21.9
+11.3-1.3-21.9
-11.3+1.3+21.9
+0.4-0.3-0.6
Trin vs Guat+4.7-4.5-16.9
+4.7-4.5-16.9
-4.7+4.5+16.9
-0.0+0.1-0.1
Guat vs St Vin-4.1+8.2+10.5
-4.1+8.2+10.5
+4.1-8.2-10.5
-0.1+0.1+0.1

What If

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

100100100100
If finish:Chance inChance will finish regular season at seedDid not
TPW-D-LplayoffsAdvanced1234advanceCount
132-0-0InYes8713No58,999,168,489
111-1-0100.0%100.0%148600.0%52,659,604,980
101-0-187.087.00871313.033,919,386,421
90-2-066.766.7673333.311,498,757,772
80-1-127.127.1277372.913,592,000,114
70-0-216.216.2168483.82,725,821,616
Total:88.2%88.2%34541211.8%173,394,739,392
Points
Chance Will Make Playoffs