Line Chart with 2 Y-Axis for Numeric and Percent Values

Use this line chart PowerPoint template to compare, analyze and present trends of two related variables and ratios between them, over a period of time.

In this chart template, percentage ratio between variable 1 and variable 2 is derived using formulas and placed in the chart. This is plotted on the secondary Y-axis and shown using preformatted markers with data labels.


Line Chart


Trends, Comparison, Correlation

Use case example: Lead to opportunity ratio

How many leads did we receive each month between January and August? How many of these leads resulted in potential opportunities? What is the leads to opportunities ratio? The line chart above answers these questions by comparing trends of two related variables and visualizes percentage ration between them. 

The chart plots periodic intervals (months in this example) on X-axis and numeric values corresponding to the two variables (leads and opportunities in this example) on primary Y-axis. The percentage ratio between the two variables in plotted on secondary Y-axis.

The two variables are presented using different colors and distinct connected markers for each period, with data value labels for easy visual distinction and better readability

Ratio between the two variables being the key highlight point, is presented using bold and bright colored circles with percentage values placed inside them.

With a quick glance at this data presentation, audience can see that both leads and opportunities are showing an increasing trend with an average lead – opportunity ratio of about of 23%.

This data visualization chart is extremely useful for monthly report and KPI dashboard.

KPI Target Example: Lead – Opportunity Ration > 25%


Lead Opportunity Ratio = (Number of opportunities / Number of leads) x 100

How to use and edit this chart template

To edit this chart template, execute following steps.

  1. Right click on the chart to open chart menu. Click Edit Data. This will open the linked Excel sheet (see video below).
  2. Enter categories in column A. They are plotted on X-axis.
  3. Enter variable 1 data in column B. 
  4. Enter variable 2 data in column C. 
  5. The data for first and second variable is plotted on primary Y-axis. 
  6.  Close the Excel sheet.
  7. File format: PPTX. Compatible with PowerPoint 2010 and above.

Numbers have an important story to tell. They rely on you to give them a clear and convincing voice.

Stephen Few
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