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 11/1100.0*Chance in playoffs100.0*Qualified100.0*Average seed
Guatemala vs St. Vincent-17.1-2.1+18.1
-13.0-2.5+14.2
-1.3-0.1+1.4
Trinidad vs St. Vincent-17.1-2.1+18.1
-13.0-2.4+14.2
-1.3-0.1+1.4
St. Vincent vs United States+18.1-2.1-17.1
+14.3-2.5-13.0
+1.4-0.1-1.3
St. Vincent vs Trinidad+18.1-2.1-17.1
+14.3-2.5-13.0
+1.4-0.1-1.3
United States vs St. Vincent-17.0-2.1+18.1
-13.0-2.5+14.3
-1.3-0.1+1.4
St. Vincent vs Guatemala+18.1-2.1-17.0
+14.3-2.5-13.0
+1.4-0.1-1.3
United States vs Guatemala-0.5+2.1-0.5
-0.6+2.5-0.6
-0.0+0.1-0.0
Guatemala vs Trinidad-0.5+2.1-0.5
-0.6+2.5-0.6
-0.0+0.1-0.0
Trinidad vs United States-0.5+2.1-0.5
-0.6+2.5-0.6
-0.0+0.1-0.0
Trinidad vs Guatemala-0.5+2.1-0.5
-0.6+2.5-0.6
-0.0+0.1-0.0
Guatemala vs United States-0.5+2.1-0.5
-0.6+2.5-0.6
-0.0+0.1-0.0
United States vs Trinidad-0.5+2.1-0.5
-0.6+2.5-0.6
-0.0+0.1-0.0

What If

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

100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-LplayoffsQualified12345678910111213Count
186-0-0InYes3434321,071,426
165-1-0InYes3333333,069,792
155-0-1In98.7%3333330006,140,441
144-2-0In99.73333330003,831,060
134-1-1In92.331313133315,335,620
124-0-299.7%69.023232310101000015,327,641
3-3-0In92.33131313332,552,195
113-2-199.966.222222211111100015,320,112
103-1-293.428.199922222222230,646,436
2-4-099.863.6212121121212000955,967
93-0-358.92.411119191913131300020,445,602
2-3-187.216.86662323234447,656,956
82-2-244.40.500015151518181800022,969,879
1-5-075.89.4333222222888191,665
72-1-39.0No33323232388830,642,861
1-4-123.80.00008882323232221,913,282
62-0-40.5No00013131320202015,328,638
1-3-22.9No1111919191414147,653,305
0-6-09.40.0033324242466615,712
51-2-30.1No00099924242415,313,720
0-5-10.2No000121212212121191,039
41-1-4OutNo33330303015,330,974
0-4-20.0No000444302929957,497
31-0-5OutNo0003333336,139,061
0-3-3OutNo1113232322,552,554
20-2-4OutNo0003333333,826,121
10-1-5OutNo3333333,069,207
00-0-6OutNo3333341,072,581
Total:50.0%25.0%888888888888249,521,344
Points
Chance Will Make Playoffs