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
SnowPig87 152.4 Stewmander 125.26 -11.0
-0.8
amprosk 154.52 JDC4654 127.3 +2.5
+0.1
orbitmint 119.46 Penn6045 127.7 -0.7
TheGlenlivet15 125.94 birdperson 81.54 -0.4
PanchoVila491 120 Grogthor 86.26 +0.3
TubaDeus 113.2 Monk_vas_Funk 93.06 -0.1
If winner is:HomeAway
Week of 11/13100.0*Chance in playoffs100.0*Average seed
Stewmander vs Monk_vas_Funk+5.6-5.6
+1.0-1.0
JDC4654 vs birdperson-2.5+2.6
-0.1+0.1
Penn6045 vs Grogthor-1.3+1.3
-0.1+0.1
TheGlenlivet15 vs orbitmint-0.5+0.5
+0.1-0.1
TubaDeus vs amprosk-0.3+0.3
-0.1+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
74-083.7%132431814201,206,999
63-120.301802253318304,817,563
52-20.5101928402117,224,933
41-3Out011458264,810,144
30-4Out14861,206,169
Total:10.5%027017121519231219,265,808
Games Above .500
Chance Will Make Playoffs