How are these numbers calculated?

Big Games

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

Week of 2/9100.0*Chance in playoffs100.0*Major Playoff100.0*Average seed
Secret 2 [A] 1 In
+30.0
+0.5
OG 1 Vikin.gg 2 +7.2
+0.1
Nigma 1 OG 2 -3.9
-0.1
[A] 2 Tundra 1 -3.9
-0.1
Vikin.gg 0 HCE 2 +0.1
Week of 2/16100.0*Chance in playoffs100.0*Major Playoff100.0*Average seed
Secret 2 HCE 0 Yes
+0.1
Week of 2/23None

What If

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

100100100100100100100100
If finish:Chance inMajorChance will finish regular season at seedLower
TPW-LplayoffsPlayoff12345678DivisionCount
6-7InYes100No41,154,736*
Total:InYes100No41,154,736

* Row combines multiple less frequent records.

Points
Chance Will Make Playoffs