How are these numbers calculated?

Big Games

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

Week of 11/22100.0*Chance in playoffs100.0*Average seed
Jimmy 114.9 Allison 122.55 -8.0
-0.3
Ashley 115.95 Blaine 107.05 -5.6
Taylor 97.7 Lenny 142.6 +2.4
Tate 129.4 Sim 103.2 +0.4
If winner is:HomeAway
Week of 11/29100.0*Chance in playoffs100.0*Average seed
Jimmy vs Lenny+14.5-11.0
+0.4-0.3
Tate vs Ashley+7.9-12.5
+0.1-0.1
Taylor vs Sim-2.9+1.4
Blaine vs Allison-0.3+0.1
-0.1+0.1

What If

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

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678Count
73-0In04143162,916,198
62-196.6%2237138,574,631
51-244.7455418,118,373
40-3Out66342,467,859
Total:67.2%06154629422,077,061
Games Above .500  (Full Screen)
Chance Will Make Playoffs  (Full Screen)