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
EHOME vs Elephant-22.5+22.5
-1.0+1.0
+13.9-13.9
-0.8+0.8
VG vs Elephant-21.4+21.4
No+1.0
+8.2-8.2
-0.8+0.8
Elephant vs MagMa+20.7-20.7
+1.0-1.0
-14.0+14.0
+0.8-0.8
PSG.LGD vs iG-4.9+4.9
+0.8-0.8
+2.9-2.9
-0.1+0.1
Aster vs MagMa+3.3-3.3
-0.6+0.6
-0.7+0.7
+0.1-0.1
MagMa vs iG-3.3+3.3
+0.7-0.7
+0.8-0.8
-0.1+0.1
PSG.LGD vs VG-2.8+2.8
-0.1+0.1
+2.1-2.1
-0.1+0.1
EHOME vs LBZS-2.4+2.4
+1.8-1.8
-0.1+0.1
VG vs Aster-1.4+1.4
+0.8-0.8
+1.0-1.0
PSG.LGD vs EHOME-1.0+1.0
+0.1-0.1
+1.1-1.1
-0.1+0.1
LBZS vs iG+0.8-0.8
+0.7-0.7
+0.6-0.6
Aster vs LBZS-0.8+0.8
-0.6+0.6
-0.5+0.5
Aster vs iG+0.1-0.1
+0.1-0.1

What If

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

100100100100100100100100
If finish:Chance inMajorChance will finish regular season at seed
TPW-LplayoffsPlayoff12345678DemotedCount
53-0In8.0%848404No39,784,801
42-186.5%0.0053645131No119,078,875
31-214.5No0143937909.5%119,070,104
20-3OutNo112711686.739,786,892
Total:50.4%1.0%181923201612214.4%317,720,672
Points
Chance Will Make Playoffs