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*Lower Division100.0*Average seed
OG 1 Vikin.gg 2 +17.9
-29.7
+1.2
Vikin.gg 0 HCE 2 -13.3
No
+28.3
-0.8
Secret 2 [A] 1 +0.2
-0.5
+0.0
[A] 2 Tundra 1 -0.4
Nigma 1 OG 2 +0.4
Week of 2/16100.0*Chance in playoffs100.0*Major Playoff100.0*Lower Division100.0*Average seed
Vikin.gg 1 [A] 2 -18.5
+13.6
-0.8
Vikin.gg 1 Tundra 2 Out
Yes
-1.2
Nigma 2 Tundra 0 -9.7
+0.6
-0.3
Liquid 2 OG 1 +1.3
+0.1
Secret 2 HCE 0 +0.3
-0.1
+0.0
Week of 2/23100.0*Chance in playoffs100.0*Major Playoff100.0*Lower Division100.0*Average seed
Nigma 2 HCE 0 +0.2

What If

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

100100100100100100100100
If finish:Chance inMajorChance will finish regular season at seedLower
TPW-LplayoffsPlayoff12345678DivisionCount
20-0OutNo100Yes115,745,808
Total:OutNo100Yes115,745,808
Points
Chance Will Make Playoffs