What determines Catchability of Pokémon?

What determines Catchability of Pokémon? - Woman in Blue Tank Top Climbing on Gray Rock

I've noticed that after beating a stage, the initial Catchability percentage will be very low, despite being what I would consider a good game. It then adds on additional percentage for moves that were unused.

What I don't understand is how the initial percent is calculated. I can do really well on one stage and get a low percentage, but do pretty badly on another and get a high percentage. How is the Catachability determined?






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राजनाथ की हुंकार 'PoK हमारा था, है और रहेगा' | Rajnath Singh on POK | Pakis




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