How are these numbers calculated?

Big Games

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

Week of 10/3100.0*Chance in playoffs100.0*Average seed
Josh 77.86 Niphon 108.61 -10.4
-0.8
Blake 105.94 Gravy 127.4 +1.1
Chris 80.55 Faisal 139.58 +0.7
Brad 76.48 Jon 116.76 +0.5
+0.0
Dan 137.39 James 69.97 +0.1
If winner is:HomeAway
Week of 10/10100.0*Chance in playoffs100.0*Average seed
Kashif vs Josh-6.2+6.2
-0.7+0.7
Jon vs James+0.5-1.3
+0.0-0.1
Brad vs Chris+0.6-0.4
Gravy vs Faisal-0.6+0.2
-0.1+0.0
Blake vs Dan-0.3+0.1
-0.1+0.0

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
109-0In39481218,096
98-1In32551211044,485
87-299.9%02264821300341,539
76-391.10220402981001,457,262
65-437.001828372140003,856,787
54-51.600212333516306,601,154
43-60.000319383197,299,574
32-7Out011140485,048,144
21-8Out0012881,983,595
10-9Out199343,572
Total:12.1%0012469121416181926,984,208
Games Above .500
Chance Will Make Playoffs