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 2/9100.0*Chance in playoffs100.0*Lower Division100.0*Average seed
OG vs Vikin.gg+0.1-0.6
-1.6+7.4
+0.0-0.1
Secret vs [A]-0.1+0.2
+0.0-0.1
If winner is:HomeAway
Week of 2/16100.0*Chance in playoffs100.0*Lower Division100.0*Average seed
Nigma vs Tundra-35.0+35.0
+7.2-7.2
-0.6+0.6
Vikin.gg vs Tundra-18.7+12.0
+11.6-7.5
-0.5+0.3
Liquid vs OG-6.2+2.1
+4.8-1.6
-0.2+0.1
Vikin.gg vs [A]-0.6+0.1
+7.6-1.7
-0.1+0.0
Secret vs HCE-0.2+2.8
+0.0-0.1

What If

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

100100100100100100100100
If finish:Chance inMajorChance will finish regular season at seedLower
TPW-LplayoffsPlayoff12345678DivisionCount
42-097.5%No17903No13,329,269
31-130.6No031645000.5%21,839,114
20-2OutNo342936237.48,539,025
Total:45.0%No0243398707.5%43,707,408
Points
Chance Will Make Playoffs