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 -0.3
-0.0
Week of 2/19100.0*Chance in playoffs100.0*Average seed
Orange 1 White 7 -11.9
-0.2
Burgundy 1 Green 2 -10.8
Black 1 Gray 7 -4.7
-0.1
Light Blue 2 Red 1 +0.7
+0.0
If winner is:HomeAway
Week of 2/26100.0*Chance in playoffs100.0*Average seed
Orange vs Red+54.8Out
+1.1-0.2
Orange vs Burgundy+4.6Out
+0.4-0.9
Gray vs White-3.2+0.9
-0.1+0.0

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
82-092.9%867715,178,468
61-1Out92879,915,172
40-2Out10030,028,824
Total:11.3%1016029125,122,464
Games Above .500
Chance Will Make Playoffs