The left side is the old form, the right side is the Hisuian form.
Growlithe
fire versus fire rock
55 versus 60 HP
70 versus 75 physical attack
70 versus 65 special attack
60 versus 55 speed
Arcanine
fire versus fire rock
90 versus 95 HP
110 versus 115 physical attack
100 versus 95 special attack
95 versus 90 speed
Voltorb
electric versus electric grass
Electrode
electric versus electric grass
Typhlosion
fire versus fire ghost
78 versus 73 HP
109 versus 119 special attack
100 versus 95 speed
Qwilfish
water poison versus dark poison
Sneasel
dark ice versus fighting poison
pickpocket versus poison touch hidden ability
Samurott
water versus water dark
95 versus 90 HP
100 versus 108 physical attack
85 versus 80 physical defense
108 versus 100 special attack
70 versus 65 special defense
70 versus 85 speed
Lilligant
grass versus grass fighting
own tempo versus hustle second ability
60 versus 105 physical attack
110 versus 50 special attack
90 versus 105 speed
Basculin
reckless (red) or rock head (blue) versus rattled first ability
Zorua
dark versus normal ghost
40 versus 35 HP
65 versus 60 physical attack
80 versus 85 special attack
65 versus 70 speed
Zoroark
dark versus normal ghost
60 versus 55 HP
105 versus 100 physical attack
120 versus 125 special attack
105 versus 110 speed
Braviary
normal flying versus psychic flying
100 versus 110 HP
123 versus 83 physical attack
75 versus 70 physical defense
57 versus 112 special attack
75 versus 70 special defense
80 versus 65 speed
Sliggoo
dragon versus steel dragon
hydration versus overcoat second ability
68 versus 58 HP
53 versus 83 physical defense
60 versus 40 speed
Goodra
dragon versus steel dragon
hydration versus overcoat second ability
90 versus 80 HP
70 versus 100 physical defense
80 versus 60 speed
Avalugg
ice versus ice rock
own tempo versus strong jaw first ability
44 versus 34 special attack
36 versus 46 special defense
Decidueye
grass ghost versus grass fighting
78 versus 88 HP
107 versus 112 physical attack
75 versus 80 physical defense
100 versus 95 special attack
100 versus 95 special defense
70 versus 60 speed
source
source