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
Jamaica vs Costa Rica-17.1-2.1+18.1
-13.0-2.5+14.2
-1.3-0.1+1.4
Haiti vs Costa Rica-17.1-2.1+18.1
-13.0-2.5+14.3
-1.3-0.1+1.4
Panama vs Costa Rica-17.1-2.1+18.1
-13.0-2.5+14.2
-1.3-0.1+1.4
Costa Rica vs Jamaica+18.1-2.1-17.1
+14.3-2.5-13.0
+1.4-0.1-1.3
Costa Rica vs Panama+18.1-2.1-17.0
+14.3-2.5-13.0
+1.4-0.1-1.3
Costa Rica vs Haiti+18.1-2.1-17.0
+14.3-2.5-13.0
+1.4-0.1-1.3
Panama vs Jamaica-0.5+2.1-0.5
-0.6+2.5-0.6
-0.0+0.1-0.0
Jamaica vs Panama-0.5+2.1-0.5
-0.6+2.5-0.6
-0.0+0.1-0.0
Haiti vs Panama-0.5+2.1-0.5
-0.6+2.5-0.6
-0.0+0.1-0.0
Haiti vs Jamaica-0.5+2.1-0.5
-0.6+2.5-0.6
-0.0+0.1-0.0
Panama vs Haiti-0.5+2.1-0.5
-0.6+2.5-0.6
-0.0+0.1-0.0
Jamaica vs Haiti-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 Costa Rica finish out the regular season.   Explain

100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-LplayoffsQualified12345678910111213Count
-426-0-0InYes3434321,071,521
-445-1-0InYes3333333,066,443
-455-0-1In98.7%3333330006,136,582
-464-2-0In99.73333330003,830,622
-474-1-1In92.331313133315,325,737
-484-0-299.7%69.023232310101000015,326,038
3-3-0In92.33131313332,554,393
-493-2-199.966.222222211111100015,323,785
-503-1-293.428.299922222222230,637,388
2-4-099.863.5212121121212000956,942
-513-0-358.92.411119191913131300020,435,786
2-3-187.216.86662323234447,660,096
-522-2-244.50.500015151518181800022,972,497
1-5-076.19.5333222222888192,396
-532-1-39.0No33323232388830,653,715
1-4-123.70.00008882323232221,916,333
-542-0-40.5No00013131320202015,334,930
1-3-22.9No1111919191414147,657,430
0-6-09.0No33324242476615,759
-551-2-30.1No00099924242415,313,130
0-5-10.2No000121212212121191,015
-561-1-4OutNo33330303015,333,041
0-4-20.0No000444302929955,890
-571-0-5OutNo0003333336,134,915
0-3-3OutNo1113232322,552,602
-580-2-4OutNo0003333333,831,552
-590-1-5OutNo3333333,068,026
-600-0-6OutNo3333341,072,780
Total:50.0%25.0%888888888888249,521,344
Points
Chance Will Make Playoffs