Tag: spreadsheets

A quick framework for transforming raw data into slides that actually get decisions

You have a spreadsheet full of numbers. You need a presentation by tomorrow. How do you turn rows and columns into something that actually moves people to action?

Here are 5 data presentation tips that transform raw data into compelling slides — without losing the rigour your audience expects.

5 Data Presentation Tips That Transform Numbers Into Narratives

Step 1: Find the One Insight That Matters

Before touching PowerPoint, ask yourself: “If my audience remembers only one thing from this data, what should it be?”

That’s your headline. Everything else supports it.

Look for:

• The biggest change (up or down)
• The surprising finding
• The number that triggers a decision
• The trend that demands action

Example: A spreadsheet shows 12 months of regional sales. The insight isn’t “here’s our sales data.” It’s “EMEA grew 34% while Americas flatlined — we need to shift Q1 focus.”

Step 2: Write the Headline First

Most people build the chart, then write the title. Flip it.

Write your insight as a headline before you create any visualisation. This forces clarity. If you can’t write a clear headline, you haven’t found your story yet.

Weak headline: “Q3 Revenue by Region”
Strong headline: “EMEA Drives 70% of Q3 Growth”

The weak version labels the data. The strong version tells the audience what to think.

Related: Data Storytelling: How to Make Numbers Compelling (Not Boring)

Step 3: Choose the Right Chart Type

The wrong chart can hide your story. Match the visualisation to what you’re showing:

• Trends over time → Line chart
• Comparing categories → Bar chart (horizontal for many items)
• Part of a whole → Pie chart (max 5 segments) or stacked bar
• Showing correlation → Scatter plot
• Single important number → Big number with context

When in doubt, use a bar chart. They’re the easiest to read quickly.

Step 4: Remove Everything That Doesn’t Support the Insight

Your spreadsheet has 50 data points. Your slide needs 5.

Delete ruthlessly:

• Gridlines (usually unnecessary)
• Data labels on every point (highlight key ones only)
• Legends that duplicate axis labels
• 3D effects (they distort perception)
• Decimal places beyond what matters

Every element on your slide should earn its place. If it doesn’t support the insight, it’s noise.

Related: The Executive Summary Slide: How to Write the Only Slide That Matters

Step 5: Add the “So What” and “Now What”

Data without interpretation is just information. Add two things:

The “So What”: Why does this data matter? What does it mean for the business?

The “Now What”: What action should the audience take based on this data?

These can be a single line of text below your chart, or your verbal narrative as you present. Either way, never leave your audience to interpret the implications themselves.

Related: Team Dashboards That Tell a Story (Not Just Show Numbers)

Quick Data Presentation Checklist

Before you present any data slide, run through this:

• ☐ Is there ONE clear insight? (Not three competing points)
• ☐ Does the headline state the insight? (Not just label the data)
• ☐ Is the chart type appropriate for the story?
• ☐ Have I removed unnecessary clutter?
• ☐ Is the “so what” clear?
• ☐ Do I know what action I want from the audience?

If you can check all six, your data slide is ready.

Your Next Step

Take your next data-heavy slide and apply step 2 first: write the headline as an insight, not a label. That single change transforms how your audience receives the information.

Mary Beth Hazeldine spent 24 years presenting data to boards and credit committees in corporate banking. She now helps professionals turn spreadsheets into stories that drive decisions.