There is a widget Gauge to show the progress bars in kanban views. For that you have to create 2 fields to store rate and maximum rate.
For example
progress_rate = fields.Integer(string='Sample Rate')
maximum_rate = fields.Integer(string='Maximum Rate')
Set widget="gauge" and max_field.
<field name="progress_rate" widget="gauge" options="{'max_field': 'maximum_rate'}">
</field>
Preview ..
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