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
Mexico vs Honduras+18.1-2.1-17.1
+14.3-2.5-13.0
+1.4-0.1-1.3
El Salvador vs Mexico-17.1-2.1+18.1
-13.0-2.5+14.3
-1.3-0.1+1.4
Mexico vs El Salvador+18.1-2.1-17.1
+14.3-2.5-13.0
+1.4-0.1-1.3
Honduras vs Mexico-17.0-2.1+18.1
-13.0-2.5+14.2
-1.3-0.1+1.4
Canada vs Mexico-17.0-2.1+18.1
-13.0-2.5+14.2
-1.3-0.1+1.4
Mexico vs Canada+18.1-2.1-17.0
+14.2-2.5-13.0
+1.4-0.1-1.3
El Salvador vs Canada-0.5+2.1-0.5
-0.6+2.5-0.6
-0.0+0.1-0.0
Canada vs Honduras-0.5+2.1-0.5
-0.6+2.5-0.6
-0.0+0.1-0.0
Canada vs El Salvador-0.5+2.1-0.5
-0.6+2.5-0.6
-0.0+0.1-0.0
Honduras vs El Salvador-0.5+2.1-0.5
-0.6+2.5-0.6
-0.0+0.1-0.0
Honduras vs Canada-0.5+2.1-0.5
-0.6+2.5-0.6
-0.0+0.1-0.0
El Salvador vs Honduras-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 Mexico finish out the regular season.   Explain

100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-LplayoffsQualified12345678910111213Count
-1146-0-0InYes3434321,071,433
-1165-1-0InYes3333333,069,325
-1175-0-1In98.7%3333330006,137,981
-1184-2-0In99.73333330003,832,071
-1194-1-1In92.331313133315,324,454
-1204-0-299.7%69.023232310101000015,328,296
3-3-0In92.33131313332,552,990
-1213-2-199.966.222222211111100015,319,410
-1223-1-293.428.299922222222230,650,505
2-4-099.863.5212121121212000956,452
-1233-0-358.92.411119191913131300020,443,256
2-3-187.216.86662323234447,655,268
-1242-2-244.40.500015151518181800022,977,950
1-5-075.69.5333222222888191,497
-1252-1-39.0No33323232388830,640,361
1-4-123.70.00008882323232221,913,896
-1262-0-40.5No00013131320202015,338,216
1-3-22.9No1111919191414147,655,864
0-6-09.1No33324232466715,883
-1271-2-30.1No00099924242415,315,660
0-5-10.2No000121212212121191,657
-1281-1-4OutNo33330303015,323,518
0-4-20.0No000444303029957,827
-1291-0-5OutNo0003333336,133,700
0-3-3OutNo1113232322,550,263
-1300-2-4OutNo0003333333,831,518
-1310-1-5OutNo3333333,070,824
-1320-0-6OutNo3333341,071,269
Total:50.0%25.0%888888888888249,521,344
Points
Chance Will Make Playoffs