changes

fusion_inventory/static/src/js/margin_widget.js

@@ -0,0 +1,17 @@
+/** @odoo-module **/
+
+import { registry } from "@web/core/registry";
+import { FloatField, floatField } from "@web/views/fields/float/float_field";
+
+export class MarginPercentField extends FloatField {
+    static template = "fusion_inventory.MarginPercentField";
+}
+
+export const marginPercentField = {
+    ...floatField,
+    component: MarginPercentField,
+    displayName: "Margin %",
+    supportedTypes: ["float"],
+};
+
+registry.category("fields").add("fi_margin_pct", marginPercentField);

fusion_inventory/static/src/xml/margin_widget.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<templates xml:space="preserve">
+
+    <t t-name="fusion_inventory.MarginPercentField" t-inherit="web.FloatField" t-inherit-mode="extension">
+        <xpath expr="//span[hasclass('o_field_float')]" position="after">
+            <span class="ms-1 text-muted fw-normal">%</span>
+        </xpath>
+    </t>
+
+</templates>