How are these numbers calculated?

Big Games

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

Week of 4/19100.0*Chance in playoffs100.0*Average seed
Defiant 0 Shock 4 +0.2
+0.2
Shock 4 Spark 0 +0.4
Fusion 1 Excelsior 3 -0.0
Uprising 0 Spitfire 4 -0.0
Hunters 1 Gladiators 3 -0.1
Uprising 0 Titans 4 -0.1
Week of 4/28None
If winner is:HomeAway
Week of 5/3100.0*Chance in playoffs100.0*Average seed
Shock vs Dragons+0.3-1.8
Shock vs Fusion+0.2-1.8
Titans vs Dynasty-0.1+0.4
Gladiators vs Uprising-0.0+0.4
Titans vs Defiant-0.0+0.4

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314151617181920Count
72-0In730151323,099,347,793
61-1In10167586,581,911,868
50-2In01484210461,123,219
Total:In5601526300030,142,382,880
Games Above .500
Chance Will Make Playoffs