>>27544608It's IV perfection percentage. Basically, the sum of the IVs divided by 45, converted to a percentage.
For instance, the Charizard in
>>27542550 has a 15 in attack, a 15 in defense, and a 13 in stamina. That gives you 43/45, or 0.9555. Rounds to 96%.
Note that it's possible to have the same percentage without having the same IVs. The Arcanine in the same image has a 15 in attack, a 14 in defense, and a 14 in stamina.
