How are these numbers calculated?

Big Games

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

Week of 11/18100.0*Chance in playoffs100.0*Average seed
Shawn 123.26 Robert 101.12 +19.9
+1.1
Destry 138.64 Jamal 114.22 -1.4
-0.1
Rob 149 Hunter 103.86 +1.0
+0.1
Kashif 133.22 Drew 127.58 +0.6
+0.0
Jared 115.04 Jason 73.76 +0.4
Week of 11/25100.0*Chance in playoffs100.0*Average seed
Shawn 92.08 Marla 131.84 -15.7
-1.2
Jared 89.2 Robert 101.6 -0.7
+0.2
Rob 104.64 Destry 90.5 +0.7
+0.1
Drew 113.16 Hunter 92.38 -0.4
+0.1
Kashif 163.52 Jason 93.42 +0.2
+0.0
If winner is:HomeAway
Week of 12/2100.0*Chance in playoffs100.0*Average seed
Shawn vs Jamal+26.1-47.3
+1.0-1.9
Kashif vs Robert+0.8-12.0
+0.0-0.5
Jared vs Marla-1.0+2.5
-0.2+0.4
Drew vs Jason-0.6+0.8
-0.1+0.1
Destry vs Hunter-0.4+0.4

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
71-099.2%24332914153,064,054
60-125.8171829321329,235,338
Total:73.2%162121151111582,299,392
Games Above .500
Chance Will Make Playoffs