It all depends on the attack stat, defense stat, speed stat, what evolution it is, what level the pokemon is and if it's a legendary or not.
To check out how many bars the attack/defense/speed stat the pokemon has, check out the pokedex.
Bars: ((How many bars is the Attack, Defense and speed stat combined. Minimum is 3 and Maximum 15 bars.))
Evolution: ((If it is unevolved, (No evolutions count as unevolved) a first evolution or a second evolution))
Hoops: ((How many hoops to capture it))
((If it is a legendary, it take twice the the hoops as if it was not a legend, also, legends count as second evolution.))
Basic Capture Styler:
Bars: 3-4
Evolution: unevolved
Hoops: 3 hoops
Bars: 3-4
Evolution: first evolution
Hoops: 4 hoops
Bars: 3-4
Evolution: second evolution
Hoops: 5 hoops
Bars: 5-6
Evolution: unevolved
Hoops: 3 hoops
Bars: 5-6
Evolution: first evolution
Hoops: 4 hoops
Bars: 5-6
Evolution: second evolution
Hoops: 5 hoops
Bars: 7-8
Evolution: unevolved
Hoops: 4 hoops
Bars: 7-8
Evolution: first evolution
Hoops: 5 hoops
Bars: 7-8
Evolution: second evolution
Hoops: 6 hoops
Bars: 9-10
Evolution: unevolved
Hoops: 4 hoops
Bars: 9-10
Evolution: first evolution
Hoops: 5 hoops
Bars: 9-10
Evolution: second evolution
Hoops: 6 hoops
Bars: 11-12
Evolution: unevolved
Hoops: 5 hoops
Bars: 11-12
Evolution: first evolution
Hoops: 6 hoops
Bars: 11-12
Evolution: Second evolution
Hoops: 7 hoops
Bars: 13-14
Evolution: unevolved
Hoops: 5 hoops
Bars: 13-14
Evolution: first evolution
Hoops: 6 hoops
Bars: 13-14
Evolution: second evolution
Hoops: 7 hoops
Bars: 15
Evolution: unevolved
Hoops: 6 hoops
Bars: 15
Evolution: first evolution
Hoops: 7 hoops
Bars: 15
Evolution: second evolution
Hoops: 8 hoops