How are these numbers calculated?

Big Games

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

Week of 12/29100.0*Chance in playoffs100.0*Average seed
I'd Oduya 81.9 briansRBitch 102.8 +11.5
+0.4
Dump and Chaisson 93.3 Florida Crackers 77.4 +1.9
+0.1
Kells Bells 75.6 Dropping Deuces 72.3 -0.6
Bryan's Team 95.7 Moonshiner 86.8 +0.2
If winner is:HomeAway
Week of 1/5100.0*Chance in playoffs100.0*Average seed
Florida Crackers vs briansRBitch-13.2+13.2
-0.5+0.5
Kells Bells vs Moonshiner+1.9-1.9
Bryan's Team vs I'd Oduya+1.2-1.2
Dump and Chaisson vs Dropping Deuces+0.7-0.7

What If

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

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-Lplayoffs12345678Count
05-466.1%0219452942,688,237
4-514.4011448372,685,194
3-60.90121781,793,709
6-398.406334316201,788,329
2-70.00496768,569
7-2100.00134436700766,688
1-8Out0100192,382
8-1In5553550191,507
9-0In30646024,866
0-9Out10024,855
Total:45.1%02581317233210,924,336
Points
Chance Will Make Playoffs