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
Trin vs Guat-24.2-11.0+31.8
-24.2-11.0+31.8
+24.2+11.0-31.8
-0.4-0.1+0.5
Guat vs St Vin+24.8-0.8-24.2
+24.8-0.8-24.2
-24.8+0.8+24.2
+0.4-0.0-0.4
St Vin vs USA+16.2+2.7-18.1
+16.2+2.7-18.1
-16.2-2.7+18.1
+0.1+0.1-0.2
USA vs Trin-14.2-0.5+14.5
-14.2-0.5+14.5
+14.2+0.5-14.5
-0.1+0.1+0.1

What If

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

100100100100
If finish:Chance inChance will finish regular season at seedDid not
TPW-D-LplayoffsAdvanced1234advanceCount
122-0-0InYes4951No7,820,057,843
101-1-066.1%66.1%3633433.9%10,809,383,316
91-0-133.833.8346666.215,569,717,686
80-2-021.721.7227878.33,752,224,296
70-1-16.56.579393.510,809,160,898
60-0-2OutNo7327Yes7,819,910,425
Total:38.4%38.4%73158461.6%56,580,454,464
Points
Chance Will Make Playoffs