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
Destry 138.64 Jamal 114.22 +14.2
+0.7
Rob 149 Hunter 103.86 +1.2
+0.1
Shawn 123.26 Robert 101.12 +0.9
Jared 115.04 Jason 73.76 +0.8
Kashif 133.22 Drew 127.58 +0.7
+0.0
Week of 11/25100.0*Chance in playoffs100.0*Average seed
Rob 104.64 Destry 90.5 -13.4
-0.6
Drew 113.16 Hunter 92.38 -3.6
Shawn 92.08 Marla 131.84 +2.1
+0.3
Jared 89.2 Robert 101.6 -1.7
Kashif 163.52 Jason 93.42 +0.8
+0.0
If winner is:HomeAway
Week of 12/2100.0*Chance in playoffs100.0*Average seed
Destry vs Hunter+45.9-45.9
+1.8-1.8
Kashif vs Robert+0.6-8.3
+0.0-0.4
Shawn vs Jamal-1.8+3.3
-0.2+0.3
Jared vs Marla-0.9+2.3
-0.1+0.3
Drew vs Jason-1.1+1.5

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
71-099.2%17353314141,144,221
60-17.401615492941,155,171
Total:53.3%81717108251482,299,392
Games Above .500
Chance Will Make Playoffs