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
Pige 5 Expl 8 +12.0
+1.6
Dirk 6 AK-K 7 -0.9
-0.1
Nick 2.5 Gobe 10.5 -0.7
Hyen 7 mikW 6 +0.6
Asdf 4 FlyT 9 -0.6
Newc 9.5 What 3.5 -0.4
Trib 4 Hoop 9 +0.2
Pack 7 mikl 6 -0.2
Week of 3/7100.0*Chance in playoffs100.0*Average seed
Asdf 7.5 Expl 5.5 -13.8
-1.7
Hyen 6 Flus 7 -1.2
-0.1
Pige 7 Hoop 6 -0.4
mikl 7.5 What 5.5 -0.3
Trib 8 PDid 5 +0.2
Gobe 7.5 mikW 5.5 -0.2
Newc 8.5 FlyT 4.5 -0.1
Pack 8 AK-K 5 +0.1
If winner is:HomeAway
Week of 3/14100.0*Chance in playoffs100.0*Average seed
Expl vs mikl+17.4-17.4
+2.1-2.1
Newc vs Hoop-1.9+1.9
Pack vs Dirk-1.5+1.5
-0.1+0.1
Asdf vs PDid+1.2-1.2
Pige vs Ryan+1.0-1.0
AK-K vs FlyT-0.6+0.6
Flus vs Gobe-0.4+0.4
bige vs mikW-0.3+0.3
Hyen vs Trib+0.2-0.2
Nick vs What+0.1-0.1

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs1234567891011121314151617181920Count
00-1-03.8%00001123469121518179204,820,489
1-0-038.7000148121313121198531004,817,431
Total:21.3%00012467888910101195109,637,920
Points
Chance Will Make Playoffs