How are these numbers calculated?

Big Games

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

Week of 2/11100.0*Chance in playoffs100.0*Demoted100.0*Average seed
NT 1 EXTR 2 +6.2
-26.2
+0.8
VP 2 TSpirit 1 +2.4
+0.1
+0.1
Empire 1 Unique 2 +0.5
+3.5
ASM.GMB 1 Na`Vi 2 +0.3
-0.1
+0.0
Unique 2 NT 0 +0.1
-4.9
Week of 2/18100.0*Chance in playoffs100.0*Demoted100.0*Average seed
Na`Vi 1 TSpirit 2 -26.0
-0.6
Empire 0 EXTR 2 +12.5
No
+0.5
ASM.GMB 2 Unique 0 +0.1
If winner is:HomeAway
Week of 2/25100.0*Chance in playoffs100.0*Demoted100.0*Average seed
TSpirit vs Unique-18.0+32.0
-0.1+0.1
ASM.GMB vs EXTROut+18.0
-0.8+0.8

What If

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

100100100100100100100100
If finish:Chance inMajorChance will finish regular season at seed
TPW-LplayoffsPlayoff12345678DemotedCount
41-036.0%No3664No72,736,582,595
30-1OutNo07426No72,737,012,749
Total:18.0%No18323713No145,473,595,344
Points
Chance Will Make Playoffs