<h3 id="heading-problem-description-amp-analysis">Problem description &amp; analysis:</h3>
Here below is an annual and quarterly sales data table:
<img src="https://miro.medium.com/v2/resize:fit:388/0*8N0V3d7CO2b-sr28.png" alt />
Task: Calculate the proportion of each quarterly sales to the total sales of the year (to calculate in cell D1).
<h3 id="heading-solution">Solution:</h3>
Use SPL XLL and the code is as follows:
<pre><code class="lang-plaintext">=spl("=E(?1).group(Year).((a=~.sum(Sales),~.(Sales/a))).conj().new(~:Proportion)",A1:C21)
</code></pre>
The results are shown below:
<img src="https://miro.medium.com/v2/resize:fit:622/1*fp_qb1H5jbVMHPLLxEPLyw.png" alt />
<hr />
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✨Plugin Installation Method: <a target="_blank" href="https://c.scudata.com/article/1652061135502">SPL XLL Installation and Configuration</a>
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### Problem description & analysis:

Here below is an annual and quarterly sales data table:

![](https://miro.medium.com/v2/resize:fit:388/0*8N0V3d7CO2b-sr28.png align="left")

**Task**: Calculate the proportion of each quarterly sales to the total sales of the year (to calculate in cell D1).

### Solution:

Use **SPL XLL** and the code is as follows:

```plaintext
=spl("=E(?1).group(Year).((a=~.sum(Sales),~.(Sales/a))).conj().new(~:Proportion)",A1:C21)
```

The results are shown below:

![](https://miro.medium.com/v2/resize:fit:622/1*fp_qb1H5jbVMHPLLxEPLyw.png align="left")

---

Download esProc Desktop for FREE to optimize your data workflow!!! 🚀🔥⬇️

✨SPL download address: [esProc Desktop FREE Download](http://www.scudata.com/download-Desktop)

✨Plugin Installation Method: [SPL XLL Installation and Configuration](https://c.scudata.com/article/1652061135502)

✨References to other rich Excel operation cases: [Desktop and Excel Data Processing Cases](https://www.scudata.com/html/Desktop-and-Excel-Data-Processing-Cases.html)

✨YouTube FREE courses: [SPL Programming](https://www.youtube.com/playlist?list=PLQeR-IhHo7qNCw6o7PW8YfHvRx8pgzZso)

#89 — Calculate Proportion Using the Aggregation Values of the Data from the Same Group

Problem description & analysis:

Solution: