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
Mike 77.06 Mark 50.3 -2.5
-0.7
Carlos 105.36 Ole 116.1 -0.7
-0.1
Chris 79.68 Josh 104.86 +0.5
Suzie 106.2 Noah 89.76 +0.3
Steve 103.92 Russell 114.6 +0.2
Sidney 116.62 Michael 92.28 -0.1
Week of 11/26100.0*Chance in playoffs100.0*Average seed
Steve 134.02 Mark 85.46 -4.7
-1.0
Josh 96.4 Russell 58.84 +0.7
+0.1
Ole 90.39 Suzie 89.46 -0.3
-0.1
Chris 97.98 Sidney 112.93 +0.1
Michael 65.68 Noah 110.78 +0.1
If winner is:HomeAway
Week of 12/3100.0*Chance in playoffs100.0*Average seed
Josh vs Mark-4.7In
-1.2+1.2
Steve vs Carlos-3.6+3.6
-0.2+0.2
Sidney vs Noah+3.0-3.0
-0.2+0.2
Michael vs Ole+1.6-1.6
+0.3-0.3
Chris vs Russell-1.5+1.5
+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
81-0In53369214,145,189
70-190.6%292332248114,145,547
Total:95.3%27231617124128,290,736
Games Above .500
Chance Will Make Playoffs