Quoted By:
Biggest stat change is that base Zygarde had a 680 BST. Here's the rest of the fully evolved Kalos mon changes from the 2012 build
Delphox: not Psychic
Greninja: not Dark
Furfrou: -20 speed
Tyrantrum: +20 attack, -10 defense/special attack
Aegislash: +20 HP
Honedge/Doublade: Stance Change, but only 1 form, probably placeholder
Barbaracle: -13 attack, +13 special defense
Talonflame: +22 attack
Clawitzer: -29 special attack
Sylveon: Synchronize>Cute Charm