> For the complete documentation index, see [llms.txt](https://help.daasity.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.daasity.com/core-concepts/metrics/retail-and-wholesale-metrics/promotion/promotional-lift.md).

# Promotional Lift (%)

**Description:** Percent increase in sales during promotion compared to baseline.

**Formula:** (Incremental Sales ÷ Baseline Sales) × 100 

**SQL Calculation:**

```sql
(SUM(promo_sales) - SUM(baseline_sales)) / NULLIF(SUM(baseline_sales),0) * 100 AS promo_lift
```

**Why It Matters:** Core measure of trade promotion effectiveness.

***

**Metric Type:** Diagnostic

**Essence:** Lagging

**Frequency:** Weekly / Promo Period

**Units:** Percentage (%)

**Suggested Breakdowns:** Retailer, Market, Promotion Type, Product

**Questions Answered:**

* How effective was our promotion in driving incremental volume?
* Which promotion types generate the best lift?

**Potential Causes of Worsening:** Over-promotion fatigue, less effective promotional strategies

## **Related**

**Tactics to Improve:**

* Optimize promotion cadence
* Adjust discount depth
* Add feature/display

**Metrics:**

* Incremental Sales
* Baseline Sales
* % Depth of Discount
* Number of Weeks on Promotion

**Related Explores:**

* Retail Promotion Analysis Explorer

**Related Sources:**

* URMS.SALES\_REPORT
* Retail Promo Events BSD