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 +20.9
+1.1
Kashif 133.22 Drew 127.58 +3.3
+0.2
Rob 149 Hunter 103.86 +2.0
+0.1
Shawn 123.26 Robert 101.12 -0.3
Jared 115.04 Jason 73.76 -0.1
Week of 11/25100.0*Chance in playoffs100.0*Average seed
Rob 104.64 Destry 90.5 -20.4
-1.1
Kashif 163.52 Jason 93.42 +3.9
+0.2
Shawn 92.08 Marla 131.84 +3.2
+0.2
Jared 89.2 Robert 101.6 -1.7
Drew 113.16 Hunter 92.38 -0.9
If winner is:HomeAway
Week of 12/2100.0*Chance in playoffs100.0*Average seed
Destry vs Hunter+45.5-45.5
+1.7-1.7
Shawn vs Jamal-3.2+3.2
-0.3+0.3
Kashif vs Robert+2.9-2.9
+0.2-0.2
Jared vs Marla-2.7+2.7
-0.2+0.2
Drew vs Jason-1.6+1.6

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
71-096.9%14343316312,859,493
60-15.801514473412,858,451
Total:51.4%71717108231725,717,944
Games Above .500
Chance Will Make Playoffs