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 +6.7
+0.3
Green 3 Light Blue 10 -0.5
-0.1
Week of 2/19100.0*Chance in playoffs100.0*Average seed
Light Blue 2 Red 1 -2.1
-0.6
Orange 1 White 7 +0.5
+0.1
Black 1 Gray 7 -0.5
If winner is:HomeAway
Week of 2/26100.0*Chance in playoffs100.0*Average seed
Orange vs Burgundy-4.2In
-0.3+0.3
Gray vs White-4.2In
Orange vs Red-4.2In
-0.3+0.3

What If

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

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-Lplayoffs12345678Count
101-0In10019,243,596
80-191.7%5833819,247,892
Total:95.8%7917438,491,488
Games Above .500
Chance Will Make Playoffs