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
[A] 2 Tundra 1 +16.7
+6.2
-6.2
+0.8
Secret 2 [A] 1 -10.3
-30.9
+3.6
-0.9
Vikin.gg 0 HCE 2 +1.6
+0.1
+0.1
Nigma 1 OG 2 +1.4
-1.0
-0.4
OG 1 Vikin.gg 2 +1.2
+3.4
+1.0
+0.1
Week of 2/16100.0*Chance in playoffs100.0*Major Playoff100.0*Lower Division100.0*Average seed
Vikin.gg 1 [A] 2 In
No
+0.9
Nigma 2 Tundra 0 -0.7
-1.2
-0.1
Secret 2 HCE 0 -0.2
No
+1.1
-0.1
Liquid 2 OG 1 -0.2
Week of 2/23100.0*Chance in playoffs100.0*Major Playoff100.0*Lower Division100.0*Average seed
Nigma 2 HCE 0 -0.2
If winner is:HomeAway
Liquid vs [A]-1.0+1.0

What If

Chances based on how well the [A] finish out the regular season.   Explain

100100100100100100100100
If finish:Chance inMajorChance will finish regular season at seedLower
TPW-LplayoffsPlayoff12345678DivisionCount
51-0InNo100No20,577,011
40-1InNo100No20,577,725
Total:InNo5050No41,154,736
Points
Chance Will Make Playoffs