How are these numbers calculated?

Big Games

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

Week of 9/12100.0*Chance in playoffs100.0*Playoff Bye100.0*Sacko100.0*Average seed
NWR 87.92 Chu 133.96 -10.8
-8.5
+2.4
-0.9
Avi 116.58 Alex 126.02 +0.4
+0.1
Dak 101 sam 143.34 +0.4
+0.1
Jack 104.3 fig 107.76 -0.4
-0.1
Steve 113.32 James 81.7 -0.4
-0.1
If winner is:HomeAway
Week of 9/19100.0*Chance in playoffs100.0*Playoff Bye100.0*Sacko100.0*Average seed
NWR vs Ryan+11.6-11.6
+6.4-6.4
-3.8+3.8
+0.9-0.9
Jack vs sam+0.2-0.2
+0.3-0.3
+0.3-0.3
James vs fig+0.6-0.6
+0.4-0.4
Dak vs Avi+0.1-0.1
+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inPlayoffChance will finish regular season at seed
TPW-LplayoffsBye123456789101112SackoCount
05-615.6%No003132831196100.0%1,884,451
6-586.90.8%01721322611200No1,882,053
7-4100.031.562637247100No1,344,987
4-70.0No001826372354.91,343,911
8-3In85.4434213100No673,255
3-8OutNo00215434040.3673,085
9-2In99.2831610No224,756
2-9OutNo01188181.2224,020
1-10OutNo039797.345,000
10-1In100.09730No44,582
11-0InYes1000No5,758
0-11OutNo010099.95,686
Total:50.6%15.4%7899999998876.8%8,351,544
Points
Chance Will Make Playoffs