How are these numbers calculated?

Big Games

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

Week of 3/29100.0*Chance in playoffs100.0*Average seed
Ross 184.3 Jason 96.4 -18.2
-0.8
Josh 208.8 Joe 148.6 +4.9
+0.1
Matt 188.2 Luke 161.3 +2.9
+0.1
Jeb 184.1 Harry 201.2 -2.9
-0.1
Mike 205 Ken 230.9 -0.8
-0.0
Robby 170.8 Jon 132.5 +0.2
Week of 4/5100.0*Chance in playoffs100.0*Average seed
Jason 159.3 Jon 181.8 -11.9
-0.7
Ross 226.7 Ken 218.4 +5.5
+0.1
Harry 229.4 Luke 200.6 +4.1
+0.1
Robby 170.5 Josh 198.5 -2.2
-0.2
Matt 203.7 Joe 187.5 +1.7
+0.1
If winner is:HomeAway
Week of 4/12100.0*Chance in playoffs100.0*Average seed
Jason vs Ken+35.7Out
+1.7-1.2
Mike vs Luke-15.4+8.1
+0.1-0.1
Josh vs Jon-16.2+6.7
-0.4+0.2
Harry vs Joe-6.7+12.1
+0.1-0.1
Robby vs Matt-0.2+0.0

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
61-062.3%2637201724,186,283
50-1Out223935332,385,117
Total:26.6%11169202320256,571,400
Games Above .500
Chance Will Make Playoffs