How are these numbers calculated?

Big Games

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

Week of 11/14100.0*Chance in playoffs100.0*Average seed
Leeeerooooooy J 75.06 Sandusky Shower 73.62 +10.1
+1.0
Dashing Gentlemen 120.82 Show Me Your TDs 101.8 +2.4
+0.1
Dynamite Flesh 132.4 Owl Sandwiches 90.92 -2.1
-0.1
Twerk Incorpora 84.08 SMURF 42.38 +1.4
-0.1
If winner is:HomeAway
Week of 11/21100.0*Chance in playoffs100.0*Average seed
Hot Cheetos and vs Leeeerooooooy J-1.2In
-1.1+1.1
Show Me Your TDs vs Dynamite Flesh-1.2In
+0.1-0.1
Twerk Incorpora vs Sandusky Shower+0.4-0.4
Dashing Gentlemen vs SMCM Expatriots+0.4-0.4
+0.2-0.2

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
92-0In90107,214,552
81-1In32340295014,420,467
70-295.2%115394157,208,481
Total:98.8%241420181210128,843,500
Games Above .500
Chance Will Make Playoffs