How are these numbers calculated?

Big Games

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

Week of 10/11100.0*Chance in playoffs100.0*Average seed
fredmorton 105.84 legomaheggoz 123.66 +11.0
+0.7
sportsfan786 51.96 Basedinspace 124.14 -1.3
-0.1
Jschatt 130.52 omersingh 144.74 +0.8
LtDarien 82.94 Hmishima 115.74 -0.4
GordieLaChance 121.72 BohPoe 128.3 -0.2
-0.1
joseph100watches 170.6 jaradyeah 113.22 +0.2
If winner is:HomeAway
Week of 10/18100.0*Chance in playoffs100.0*Average seed
Jschatt vs legomaheggoz-14.7+14.7
-0.7+0.7
joseph100watches vs Basedinspace+1.6-1.6
+0.1-0.1
GordieLaChance vs Hmishima+1.5-1.5
sportsfan786 vs jaradyeah+0.8-0.8
fredmorton vs omersingh+0.2-0.2
LtDarien vs BohPoe+0.1-0.1
+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
118-0In9340317,101
107-1In602120170130,106
96-2100.0%16271004420456,229
85-397.9161225323200913,455
74-467.400222142276001,139,879
63-512.300111323717300911,163
52-60.10002153633121455,984
41-7Out005264624129,546
30-8Out1257417,273
Total:57.0%45412319151185314,170,736
Games Above .500
Chance Will Make Playoffs