It’s how many Pokémon you have (you can have up to 300 so that’s why it’s out of 300)
Oh wait… never mind, I’m just stupid lol 😂
😂😅 I thought that was an actual question and I was totally confused and weirded out, but then I noticed the thing that said “mew?” and realized the joke
I get it now, my bad lol 😂
