How are these numbers calculated?

Big Games

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

Week of 11/9100.0*Chance in playoffs100.0*Average seed
Michael 88.3 Dan 109.9 -8.9
-1.0
Mark 87.2 Ryan 78.7 +2.9
+0.1
Jonathan 113.2 Andrew 131.5 -1.3
Brandon 82.5 Sara 89.2 +1.3
David 74.9 Josh 101.1 -1.0
Jake 119.2 Derek 108.6 -0.2
+0.1
If winner is:HomeAway
Week of 11/16100.0*Chance in playoffs100.0*Average seed
Sara vs Michael-3.6+3.6
-1.1+1.1
Ryan vs Jake-1.7+1.7
-0.1+0.1
Josh vs Mark-1.7+1.7
-0.1+0.1
Andrew vs Brandon+0.4-0.4
+0.2-0.2
Dan vs David-0.3+0.3
-0.1+0.1
Derek vs Jonathan-0.1+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
73-027.1%274624201,931,100
62-11.21102933206105,782,074
51-2Out015203431915,783,072
40-3Out022446271,930,482
Total:3.9%4914151515159415,426,728
Games Above .500
Chance Will Make Playoffs