How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 9/15100.0*Chance in playoffs100.0*Average seed
Mudge 79.62 PO Americans 142.52 +8.5
+0.6
Blue Horseshoe 89.64 Beer Snob 72.94 -0.1
Rodgers’ Rev 108.46 FRNX Mullets 95.26 -0.1
Week of 9/22100.0*Chance in playoffs100.0*Average seed
Mudge 9 PO Americans 22 +7.2
+0.6
If winner is:HomeAway
Shankopotamus vs Beer Snob+1.0-1.0
-0.1+0.1
Rodgers’ Rev vs Juggernaut-1.0+1.0

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
95-0In83611161,402
84-1In3426400801,648
73-2In1235222201,603,951
62-399.8%1163540801,604,890
51-466.92011648303802,352
40-57.0074746161,297
Total:91.9%81525181610625,135,540
Games Above .500
Chance Will Make Playoffs