Dynamic Banding with continuous values

Hi folks.

I'm trying to do a dynamic banding graph. I have a column with values going from 0 to 100%. I want the user to be able to select dynamically a value of step, let's suppose 20% and a bar chart updates the bands to 20% size, so the graph would have 5 bars: 0 - 20%, 20% - 40%, 40 - 60%, 60 - 80%, 80 - 100%.

This step needs to be dynamically set, so the user should be able to 10, 15, anyway. The problem that I'm facing is that I am not able to connect this step value to the percentage values column.

I'm trying to that for a week and could not advance.

If some power bi brother could help me, I would be so grateful.