Did more testing. Here are the results:
Stage: Battlefield (Final Destination version)
Move being used: Mega Upper/Mega Man's Up Tilt
(All Completely Fresh)
Vectoring Direction: Straight Down
Testing: Vertical KOs
Opponent: Link (heaviest demo character)
KO percentage without vectoring 150% Mega (max rage):
68%
KO percentage without vectoring 0% Mega (no rage):
87%
KO percentage with vectoring 150% Mega (max rage):
104%
KO percentage with vectoring 0% Mega (no rage):
129%
Opponent: Pikachu (lightest demo character)
KO percentage without vectoring 150% Mega (max rage):
58%
KO percentage without vectoring 0% Mega (no rage):
75%
KO percentage with vectoring 150% Mega (max rage):
88%
KO percentage with vectoring 0% Mega (no rage):
110%
Results: Link
KO percentage difference w/o Max Rage (vectoring and not vectoring): 129% - 87% =
42%
KO percentage difference with Max Rage (vectoring and not vectoring): 104% - 68% =
36%
KO percentage difference w/o Vectoring (no rage and max rage): 87% - 68% =
19%
KO percentage difference with Vectoring (no rage and max rage): 129% - 104% =
25%
Maximum percentage KO minus Minimum percentage KO: 129% - 68% =
61%
Results: Pikachu
KO percentage difference w/o Max Rage (vectoring and not vectoring): 110% - 75% =
35%
KO percentage difference with Max Rage (vectoring and not vectoring): 88% - 58% =
30%
KO percentage difference w/o Vectoring (no rage and max rage): 75% - 58% =
17%
KO percentage difference with Vectoring (no rage and max rage): 110% - 88% =
22%
Maximum percentage KO minus Minimum percentage KO: 110% - 58% =
52%
Results: Link (heavyweight) vs Pikachu (lightweight) weight comparison
KO percentage comparison without vectoring 150% Mega:
68% - 58% = 10% difference
KO percentage comparison without vectoring 0% Mega:
87% - 75% = 12% difference
KO percentage comparison with vectoring 150% Mega:
104% - 88% = 16% difference
KO percentage comparison with vectoring 0% Mega:
129% - 110% = 19% difference
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Final Results for Vectoring:
Vectoring influence w/o Max Rage:
35% to 42% (extremely rough estimate)
Vectoring influence with Max Rage:
30% to 36% (extremely rough estimate)
Vectoring influence on Vertical KO percent overall:
30% to 42% (extremely rough estimate)
Final Results for Max Rage:
Max Rage influence w/o Vectoring:
17% to 19% (extremely rough estimate)
Max Rage influence with Vectoring:
22% to 25% (extremely rough estimate)
Max Rage influence on Vertical KO percent overall:
17% to 25% (extremely rough estimate)
Maximum percentage KO minus Minimum percentage KO difference:
52% to 61% (extremely rough estimate)
All testing was done on the Smash 3DS Demo version. Credit to @
san. for helping me out. (Posted this on the Rage topic as well)