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# Set up the percent pricing model

Charge a percentage of the quantity, such as 2.9% of the value of each transaction. For how the percent pricing model calculates an amount, see [Percent pricing model](/docs/20260301/pricing-models/concepts/percent).

## Prerequisites

* A role with the **Can Read Product**, **Can Read Product Pricing**, and **Can Create Product Pricing** permissions. For details, see [Permissions](/docs/20260301/product-modules/products/reference/products#permissions).
* The pricing-preset panel is open, with **Percent** selected in **Pricing Model**. For steps, see [Create a product](/docs/20260301/product-modules/products/how-to-guides/products#create-a-product) or [Add a pricing preset](/docs/20260301/product-modules/products/how-to-guides/pricing-presets#add-a-pricing-preset).

## Set the percentage and the pricing period

1. In **Percentage of amount**, enter the percentage, such as `2.9`. The percentage must be from 0 to 100.
2. If the product uses the period-of-time product type, set the pricing period in **Pricing Period**:
   * Select **Monthly**, **Quarterly**, **Semi-Annual**, or **Annual**.
   * Or select **Custom**, enter a number in **Every**, and select **Day**, **Month**, or **Year** in **Cadence**.

**Pricing Period** appears only for products that use the period-of-time product type. **Monthly** is the default.


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