Originally Posted by
eschatological
I play a hunter in a heroic mode raiding guild. Stampede's damage has not been nerfed in PvE, except for the change to Rabid (which was cast by Stampede pets when summoned if they had it on autocast). If you can find an actual mathematical nerf other than that, announced or unannounced, I'd love to hear it. I'm consistently near the top on fights 2, 3, 4 in H-MSV, just like GC suggested hunters were, and when I'm not I'm always within a few thousand DPS except in fights where I'm taking on a gimmicky role or our rogue is blade flurrying some gimmick.
Stampede increases your pet autoattack/basic attack damage by 100%. Each of your 4 summoned pets does 25% of that 100% extra. It has always been that way, in PvE. I don't know how many times that has to be said.
GC said sometime last week, or the week before, that in arenas Stampede pets were not having that reduction, and were EACH doing 100%, leading to 500% pet damage during Stampede.