How are these numbers calculated?

Big Games

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

Week of 10/19100.0*Chance in playoffs100.0*Average seed
Blake 133.06 Dan 96.1 +13.7
+1.0
Niphon 104.22 Brian 119.16 -1.0
-0.1
Josh 110.38 Gravy 80.02 +0.5
Kashif 87.54 Jon 101.54 +0.4
Luke 110.1 Chris 117.72 +0.3
If winner is:HomeAway
Week of 10/26100.0*Chance in playoffs100.0*Average seed
Blake vs Josh+12.5-12.5
+0.9-0.9
Jon vs Gravy+0.9-0.9
Niphon vs Chris+0.6-0.6
+0.1-0.1
Kashif vs Faisal-0.4+0.4
Brad vs Brian+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
117-0In964067,035
106-1In732520456,824
95-2In2746234001,369,809
84-399.9%2133335152002,283,095
73-473.500192736215002,284,686
62-54.7000418353110101,366,353
51-60.000031740346456,842
40-7Out008434866,900
Total:70.9%1013131311119764218,351,544
Games Above .500
Chance Will Make Playoffs