How are these numbers calculated?

Big Games

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

Week of 2/29100.0*Chance in playoffs100.0*Average seed
Newc 9.5 What 3.5 -9.1
-1.5
Dirk 6 AK-K 7 -0.7
Nick 2.5 Gobe 10.5 -0.5
Asdf 4 FlyT 9 -0.5
Hyen 7 mikW 6 +0.4
Trib 4 Hoop 9 +0.2
-0.1
Pack 7 mikl 6 -0.1
Pige 5 Expl 8 -0.1
Flus 5.5 Ryan 7.5 +0.1
Week of 3/7100.0*Chance in playoffs100.0*Average seed
mikl 7.5 What 5.5 -6.4
-1.5
Hyen 6 Flus 7 -0.6
-0.1
Asdf 7.5 Expl 5.5 +0.5
Pige 7 Hoop 6 -0.2
Trib 8 PDid 5 +0.1
Newc 8.5 FlyT 4.5 -0.1
Gobe 7.5 mikW 5.5 -0.1
If winner is:HomeAway
Week of 3/14100.0*Chance in playoffs100.0*Average seed
Nick vs What-0.6+0.6
-1.4+1.4
Newc vs Hoop-0.2+0.2
+0.1-0.1
Pack vs Dirk-0.1+0.1
Pige vs Ryan+0.1-0.1
AK-K vs FlyT-0.1+0.1
Asdf vs PDid+0.1-0.1
-0.1+0.1
Flus vs Gobe-0.1+0.1
+0.1-0.1

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs1234567891011121314151617181920Count
00-1-00.0%00000013479162622914,819,356
1-0-01.20000013610131414131210414,818,564
Total:0.6%000000136891011141813519,637,920
Points
Chance Will Make Playoffs