How are these numbers calculated?

Big Games

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

Week of 11/20100.0*Chance in playoffs100.0*Average seed
Jackson 116.5 Snider 146.2 -21.0
-1.0
Weezy 157.6 Scout 118.3 -3.0
-0.1
Van 176.7 Keegan 165.4 +2.2
Kyle 144.2 Paul 176.1 -2.2
-0.1
Willy 139 Corey 126.2 +1.2
Week of 11/27100.0*Chance in playoffs100.0*Average seed
Paul 159.2 Jackson 151.8 -30.2
-1.1
Snider 159.1 Van 148.5 -6.1
-0.1
Corey 189.3 Keegan 169.1 +6.0
+0.1
Kyle 175.7 Weezy 160.2 +3.4
+0.1
If winner is:HomeAway
Week of 12/4100.0*Chance in playoffs100.0*Average seed
Jackson vs Van+20.1Out
+0.9-0.9
Weezy vs Willy-10.0+10.0
-0.1+0.1
Keegan vs Paul+6.1-6.1
Scout vs Kyle+0.1-0.1
Snider vs Corey+0.1-0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
71-040.1%73354614,146,891
60-1Out144532914,143,849
Total:20.1%416342516428,290,740
Games Above .500
Chance Will Make Playoffs