odoo16/addons/analytic/data/analytic_data.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>
    <data noupdate="1">
        <record id="decimal_percentage_analytic" model="decimal.precision">
            <field name="name">Percentage Analytic</field>
            <field name="digits" eval="2"/>
        </record>
    </data>
</odoo>