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
Matt 188.2 Luke 161.3 -16.3
-0.7
Mike 205 Ken 230.9 -6.3
-0.2
Ross 184.3 Jason 96.4 +3.9
+0.1
Jeb 184.1 Harry 201.2 -2.3
-0.1
Josh 208.8 Joe 148.6 +0.7
Robby 170.8 Jon 132.5 +0.3
Week of 4/5100.0*Chance in playoffs100.0*Average seed
Harry 229.4 Luke 200.6 -34.1
-1.2
Ross 226.7 Ken 218.4 +8.0
+0.2
Jason 159.3 Jon 181.8 +7.1
+0.2
Robby 170.5 Josh 198.5 -4.2
-0.1
Matt 203.7 Joe 187.5 -1.3
If winner is:HomeAway
Week of 4/12100.0*Chance in playoffs100.0*Average seed
Harry vs JoeOut+8.8
-0.3+0.3
Josh vs JonOut+8.8
-0.2+0.2
Mike vs LukeOut+8.8
-0.8+0.8
Jason vs Ken-0.2+0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
61-017.7%183729169,000,912
50-1Out875168,998,632
Total:8.8%9181946817,999,544
Games Above .500
Chance Will Make Playoffs