How are these numbers calculated?

Big Games

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

Week of 11/6100.0*Chance in playoffs100.0*Average seed
amprosk 154.52 JDC4654 127.3 +0.5
+0.4
orbitmint 119.46 Penn6045 127.7 -0.2
TubaDeus 113.2 Monk_vas_Funk 93.06 -0.1
SnowPig87 152.4 Stewmander 125.26 -0.2
If winner is:HomeAway
Week of 11/13100.0*Chance in playoffs100.0*Average seed
TubaDeus vs amprosk-0.0In
-0.3+0.2
PanchoVila491 vs SnowPig87+0.2-0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
11-12In1006,484,978*
102-2In9557,207,523
91-3In6180314,510,216
80-499.9%8105071601,063,091
Total:100.0%84200130019,265,808

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs