How do pokemon stats relate to attack power?

The question: How do the stats of an individual pokemon relate to its abilities' damage?

For example: Let's say i have a pokemon that has 110 Atk and 100 Sp Atk. He knows 2 attacks: 1 is a Physical Attack with 80 power, and 1 is a Special Attack with 90 power. How do i determine which would deal more damage in the end?

Is the damage calculated by:

Adding the power to the stats (110 + 80 = 190, 100 + 90 = 190), meaning both attacks are equally powerful?
Are the powers a % based off of the stats (110 * 0.8 = 88, 100 * 0.9 = 90), meaning the special attack is better?
Some other way?

For the scope of the question, i would like to overlook things like damage boosting items, opponent's defense stats, STAB/Effectiveness, and other outside influences.

How does this work? And if too long, where can I read more about this?

pokemon-series pokemon-sixth-generation

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How is attack power calculated PokÃ©mon?

is the effective Attack stat of the attacking Pok\xe9mon if the used move is a physical move, or the effective Special Attack stat of the attacking Pok\xe9mon if the used move is a special move....This section is incomplete.StatusValue[show]DetailPower Boost1.5If the attacker's offensive stats are raised9 more rows

Do attack stats matter in Pokemon go?

The higher a Pok\xe9mon's Base Stats, the less of an effect its IVs will have on its overall damage output in battle (More on this later). Individual Values (IVs) \u2013 HP, Attack and Defense IVs are, as the name suggests, individual to every single Pok\xe9mon and get added onto its base stats to give them a boost.

What do attack stats mean in Pokemon go?

On a Pok\xe9mon's summary screen, each attack has a number next to it that indicates its damage. Fast Attacks typically deal between 0 to 16 damage, while Charged Attacks have a massive range\u2014for example, Acid Spray deals 20 damage and Aeroblast deals 170. In many cases, attacks that deal lower damage have other benefits.

When a Pok\xe9mon grows a level, its stats will increase. For each level gained (ignoring Nature), stats will increase by 1/50 the base stat value, and 1/100 the combined individual value and effort value.

Pokémon Base Stats Explained

Sources: Stack Exchange - This article follows the attribution requirements of Stack Exchange and is licensed under CC BY-SA 3.0.

Images: Anna Shvets, Julia Larson, Annushka Ahuja, Andres Ayrton