How are these numbers calculated?

Big Games

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

Week of 11/19100.0*Chance in playoffs100.0*Average seed
Niphon 82.52 Chris 122.84 +21.3
+0.7
Blake 113.52 Gravy 116.64 -2.1
Luke 210.76 Josh 95.96 -1.5
Kashif 87.34 Jon 98.52 +0.8
Brad 115.76 Dan 96.04 +0.7
-0.1
James 109.14 Faisal 97.66 -0.1
Week of 11/26100.0*Chance in playoffs100.0*Average seed
Blake 100.24 Chris 91.62 -24.1
-0.9
Niphon 135.52 Jon 94.84 -8.5
-0.2
Brad 140.9 Faisal 133.36 -4.6
-0.2
Kashif 96.54 Dan 91.86 +2.3
James 113.26 Josh 138.52 +0.1
+0.1
If winner is:HomeAway
Week of 12/3100.0*Chance in playoffs100.0*Average seed
Chris vs Jon+19.2Out
+0.6-0.6
James vs Dan+11.1-11.1
+0.2-0.2
Brad vs Gravy-7.4+7.4
-0.2+0.2
Luke vs Niphon+5.9-5.9
+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
71-038.3%831431913,503,885
60-1Out138713,500,443
Total:19.2%415285327,004,328
Games Above .500
Chance Will Make Playoffs