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
Blake 105.94 Gravy 127.4 -11.0
-0.9
Chris 80.55 Faisal 139.58 +0.7
Brad 76.48 Jon 116.76 +0.5
+0.0
Josh 77.86 Niphon 108.61 -0.1
If winner is:HomeAway
Week of 10/10100.0*Chance in playoffs100.0*Average seed
Blake vs Dan+8.9-3.7
+0.9-0.4
Jon vs James+0.4-1.1
+0.0-0.1
Brad vs Chris+0.5-0.3
Gravy vs Faisal-0.7+0.2
-0.2+0.0

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
109-0In4447907,112
98-1In4315312128,530
87-2100.0%0435441520234,726
76-393.30424412561001,103,466
65-441.701103136184003,224,446
54-52.000214343314206,104,802
43-60.000421392977,504,645
32-7Out011343435,772,333
21-8Out0116842,522,166
10-9Out298481,982
Total:10.2%0011358111417192126,984,208
Games Above .500
Chance Will Make Playoffs