Pokémon keep breaking out of poke balls and run away 1st time

I find Pokémon using incense and they all run away after breaking out of my poke balls and even ultra balls.i found a CP163 hoppip and I gave it a razz berry and used an ultra ball and it broke out and ran away.Its frustrating?.

LavaCreeperGaming about Pokémon GO, v1.37.2