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
Uprising 0 Spitfire 4 +1.1
+0.6
Dynasty 4 Fuel 0 +0.2
+0.1
Hunters 1 Gladiators 3 -0.0
Fusion 1 Excelsior 3 -0.1
Shock 4 Spark 0 -0.0
Uprising 0 Titans 4 -0.0
Defiant 0 Shock 4 -0.0
Week of 4/28100.0*Chance in playoffs100.0*Average seed
Spitfire 4 Eternal 0 +0.3
Spitfire 1 Hunters 3 -1.8
If winner is:HomeAway
Week of 5/3100.0*Chance in playoffs100.0*Average seed
Excelsior vs Reign-0.3+2.0
Outlaws vs Spitfire-0.9+0.0
Gladiators vs Uprising-0.0+0.5
Titans vs Defiant-0.0+0.2
Shock vs Fusion-0.0+0.1
Titans vs Dynasty-0.0+0.1
Shock vs Dragons-0.0+0.1

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314151617181920Count
61-0In030086229,153,843,048
50-1In30092410988,539,832
Total:In029076300030,142,382,880
Games Above .500
Chance Will Make Playoffs