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-10.4-1.2+64.4
-10.4-1.2+64.4
+10.4+1.2-64.4
-0.1-0.0+0.9
St Vin vs USA+29.3+13.2-7.7
+29.3+13.2-7.7
-29.3-13.2+7.7
+0.3+0.2-0.1
USA vs Trin-8.2+0.6+16.2
-8.2+0.6+16.2
+8.2-0.6-16.2
-0.1+0.0+0.1
Guat vs St Vin+5.6-10.9-16.2
+5.6-10.9-16.2
-5.6+10.9+16.2
+0.1-0.1-0.2

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
122-0-0InYes4258No12,689,509,789
101-1-026.3%26.3%0267473.7%35,135,045,839
91-0-110.310.3109089.776,053,518,389
80-2-03.43.439796.611,498,782,046
70-1-10.60.619999.431,116,710,587
60-0-2OutNo973Yes6,901,172,742
Total:17.5%17.5%31482082.5%173,394,739,392
Points
Chance Will Make Playoffs