How are these numbers calculated?

Big Games

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

Week of 2/12100.0*Chance in playoffs100.0*Average seed
Black 1 Red 9 -3.7
-0.1
Green 3 Light Blue 10 -0.1
Week of 2/19100.0*Chance in playoffs100.0*Average seed
Orange 1 White 7 -14.0
-0.4
Black 1 Gray 7 -9.9
-0.2
Light Blue 2 Red 1 +4.2
+0.1
Burgundy 1 Green 2 -2.1
If winner is:HomeAway
Week of 2/26100.0*Chance in playoffs100.0*Average seed
Orange vs Burgundy+20.9Out
+0.9-0.9
Orange vs Red+20.8Out
+0.4-0.4
Gray vs White-4.2+4.2
-0.1+0.1

What If

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

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-Lplayoffs12345678Count
82-083.4%6717179,628,105
61-1Out505019,235,391
40-2Out1009,627,992
Total:20.8%174295038,491,488
Games Above .500
Chance Will Make Playoffs