How are these numbers calculated?

Big Games

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

Week of 10/5100.0*Chance in playoffs100.0*Average seed
Dan 71 Josh 101.7 +24.4
+1.0
Mark 95.9 Jake 90.9 +0.0
Andrew 86.9 Derek 67.8 +0.0
If winner is:HomeAway
Week of 10/12100.0*Chance in playoffs100.0*Average seed
Mark vs Dan+5.5-14.9
+0.1-0.3
Jake vs Josh-12.3+8.0
-0.5+0.3
Michael vs Andrew-0.1+0.0

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
118-099.8%1000144,874
107-198.0971201,005,730
96-290.18191002,844,724
85-371.54725271004,333,720
74-444.8143138152003,934,280
63-520.52191335256002,205,841
52-66.30604234122300750,636
41-71.21053145161141,907
30-80.100116463714,752
Total:58.9%391921953110015,376,464
Games Above .500
Chance Will Make Playoffs