How are these numbers calculated?

Big Games

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

Week of 11/22100.0*Chance in playoffs100.0*Average seed
Wilford 81.45 Jossie 105.15 In
+0.4
Watson 100.05 Alan 95.1 -0.1
Week of 11/29100.0*Chance in playoffs100.0*Average seed
Raymond 100.15 Jossie 142.4 +0.2
Javi 103.35 Tomas 84.3 -0.1
Watson 112.35 Daniel 109.75 -0.1
If winner is:HomeAway
Week of 12/6100.0*Chance in playoffs100.0*Average seed
Jossie vs Javi+0.5-0.5

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
101-0In1004,174,640
90-1In1004,176,904
Total:In50508,351,544
Games Above .500
Chance Will Make Playoffs