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
sportsfan786 51.96 Basedinspace 124.14 -6.0
-0.6
GordieLaChance 121.72 BohPoe 128.3 +0.7
+0.1
fredmorton 105.84 legomaheggoz 123.66 +0.5
Jschatt 130.52 omersingh 144.74 +0.3
LtDarien 82.94 Hmishima 115.74 -0.2
If winner is:HomeAway
Week of 10/18100.0*Chance in playoffs100.0*Average seed
sportsfan786 vs jaradyeah+3.5-3.5
+0.6-0.6
fredmorton vs omersingh-1.3+1.3
-0.1+0.1
GordieLaChance vs Hmishima-0.4+0.4
joseph100watches vs Basedinspace+0.2-0.2
Jschatt vs legomaheggoz+0.1-0.1
LtDarien vs BohPoe-0.1+0.1

What If

Chances based on how well the sportsfan786 finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
88-099.4%11149191371017,040
77-182.1001335102515300130,263
66-225.2001708273114200455,752
55-32.903002143533121911,733
44-40.200052746211,139,881
33-50.000043364911,624
22-6Out0991456,718
11-7Out199130,520
00-8Out10017,205
Total:6.4%00140247111623334,170,736
Games Above .500
Chance Will Make Playoffs