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
Pack 7 mikl 6 +13.4
+1.4
Dirk 6 AK-K 7 -1.0
-0.1
Nick 2.5 Gobe 10.5 -0.7
-0.1
Asdf 4 FlyT 9 -0.6
Hyen 7 mikW 6 +0.6
Newc 9.5 What 3.5 -0.4
Trib 4 Hoop 9 +0.2
Week of 3/7100.0*Chance in playoffs100.0*Average seed
Pack 8 AK-K 5 +16.3
+1.6
Hyen 6 Flus 7 -1.3
-0.1
Asdf 7.5 Expl 5.5 +1.1
+0.1
Pige 7 Hoop 6 -0.5
mikl 7.5 What 5.5 -0.4
Trib 8 PDid 5 +0.2
Gobe 7.5 mikW 5.5 -0.2
Newc 8.5 FlyT 4.5 -0.1
bige 8.5 Ryan 4.5 +0.1
If winner is:HomeAway
Week of 3/14100.0*Chance in playoffs100.0*Average seed
Pack vs Dirk+17.7-17.7
+1.7-1.7
Newc vs Hoop-1.8+1.8
-0.2+0.2
Asdf vs PDid+1.0-1.0
+0.2-0.2
Pige vs Ryan+1.0-1.0
AK-K vs FlyT-0.6+0.6
Expl vs mikl-0.6+0.6
bige vs mikW-0.3+0.3
Flus vs Gobe-0.2+0.2
-0.1+0.1
Hyen vs Trib+0.1-0.1
+0.1-0.1
Nick vs What+0.1-0.1

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs1234567891011121314151617181920Count
01-0-093.9%317221813964321000004,820,975
0-1-058.50258101011121212962100004,816,945
Total:76.2%210141311109877531000009,637,920
Points
Chance Will Make Playoffs