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
Michael 131.6 Brandon 67.7 +37.5
+1.6
Mark 95.9 Jake 90.9 +12.5
+0.5
If winner is:HomeAway
Week of 10/12100.0*Chance in playoffs100.0*Average seed
Michael vs Andrew+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
118-0In10022,787
107-1In991173,086
96-2In919604,892
85-3In67331,209,277
74-4In32681,509,975
63-5In8921,208,203
52-6In199604,148
41-7In0100172,457
30-8In10022,655
Total:In39615,527,480
Games Above .500
Chance Will Make Playoffs