How are these numbers calculated?

Big Games

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

If winner is:HomeAway
Week of 2/23100.0*Chance in playoffs100.0*Major Playoff100.0*Demoted100.0*Average seed
PSG.LGD vs VG+35.5-16.6
+0.2-0.1
-1.4+0.7
+0.8-0.4
PSG.LGD vs EHOME+10.6-22.7
+0.0-0.1
-1.8+3.8
+0.4-0.9
PSG.LGD vs iG+19.6-4.9
+0.4-0.1
-1.4+0.4
+0.6-0.1
EHOME vs Elephant+14.5-6.8
+0.6-0.3
+0.2-0.1
Elephant vs MagMa-5.8+12.5
-1.5+3.2
-0.1+0.2
VG vs Aster-3.5+1.9
+0.2-0.1
-0.1+0.1
MagMa vs iG+3.4-0.4
+0.3-0.0
+5.9-0.7
LBZS vs iG+2.7-0.1
+0.3-0.0
+0.7-0.0
+0.1-0.0
VG vs Elephant+0.7-1.5
+0.0-0.1
+0.2-0.4
Aster vs MagMa-0.1+1.1
-0.0+0.3
-0.7+6.0
+0.0-0.1
EHOME vs LBZS+0.2-0.6
-0.0+0.1
Aster vs iG+0.4-0.4
Aster vs LBZS-0.0+0.4
-0.0+0.8

What If

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

100100100100100100100100
If finish:Chance inMajorChance will finish regular season at seed
TPW-LplayoffsPlayoff12345678DemotedCount
53-0In2.1%2533312No50,592,760
42-168.2%0.0002444320No331,830,912
31-210.6No0116821000.3%574,228,767
20-3OutNo289909.2201,047,177
Total:29.2%0.1%028184326201.8%1,157,699,616
Points
Chance Will Make Playoffs