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
Hyen 7 mikW 6 -3.9
-0.4
Dirk 6 AK-K 7 -0.4
-0.0
Asdf 4 FlyT 9 -0.3
Nick 2.5 Gobe 10.5 -0.3
Trib 4 Hoop 9 +0.2
Newc 9.5 What 3.5 -0.2
Pack 7 mikl 6 -0.1
Flus 5.5 Ryan 7.5 +0.1
Pige 5 Expl 8 -0.1
Week of 3/7100.0*Chance in playoffs100.0*Average seed
Gobe 7.5 mikW 5.5 -6.2
-0.6
Hyen 6 Flus 7 -0.6
Asdf 7.5 Expl 5.5 +0.6
Pige 7 Hoop 6 -0.2
Pack 8 AK-K 5 +0.1
mikl 7.5 What 5.5 -0.1
Trib 8 PDid 5 +0.1
bige 8.5 Ryan 4.5 -0.1
Newc 8.5 FlyT 4.5 -0.1
If winner is:HomeAway
Week of 3/14100.0*Chance in playoffs100.0*Average seed
bige vs mikW-4.8+4.7
-0.7+0.7
Newc vs Hoop-0.7+0.9
-0.1+0.1
Pack vs Dirk-0.4+0.8
-0.1+0.1
Asdf vs PDid+0.6-0.3
+0.1-0.1
Pige vs Ryan+0.4-0.4
Expl vs mikl-0.2+0.2
Flus vs Gobe+0.2-0.2
AK-K vs FlyT-0.1+0.2
Nick vs What+0.1-0.1

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs1234567891011121314151617181920Count
01-0-092.8%516191613108642100000014,612,838
0-1-083.244812141514128521000014,300,922
Total:88.1%4101414141311963210000028,913,760
Points
Chance Will Make Playoffs