Learn step-by-step how to visualize key metrics and track performance in your department.
Download the Excel file used in this tutorial:
Loss Ratio compares total claim cost to written premium and helps you evaluate product performance,
profitability, and carrier relationships.
The dataset includes a column for Loss Ratio, defined as:
Loss Ratio = (Claims Paid + Loss Adjustment Expense) ÷ Written Premium
Averaging individual loss ratios can produce inaccurate results. Instead, calculate:
Sum of Total Claim Cost ÷ Sum of Written Premium
This approach accounts for different premium volumes and produces accurate results.
This gives you a clean list of product lines to analyze.
Create two supporting columns:
Use exact header names from your dataset to ensure formulas work correctly.
Use the SUMIFS function to sum Total Claim Cost for each product line.
After entering the first formula:
Copy the SUMIFS formula from Total Claim Cost, change the range to the Written Premium column, and autofill. Apply the same formatting.
The formula for Loss Ratio Percentage is:
Loss Ratio % = Total Claim Cost ÷ Written Premium
Format the results using:
For a cleaner model, embed the SUMIFS formulas directly into the Loss Ratio calculation.
You can repeat this process using Carrier instead of Product Line to identify carrier-level profitability patterns and underwriting concerns.
To download the Excel file used in this tutorial or request custom KPI walkthroughs, submit the form on this page or email ryan@databoards.io.
This walkthrough explains how to calculate dynamic average commission rates in Excel — segmented by carrier and product line — and how to build dropdowns that automatically update your charts and calculations.
Type January in a cell and drag down to December to quickly populate your months.
You’ll use the SUMIFS() function to sum commissions and premiums by carrier, product line, and month.
Use F4 to lock cell references correctly:
To avoid errors, wrap your formulas in IFERROR() so blanks appear instead of “#DIV/0!”.
Highlight your table and apply a color scale to visually flag high or low commission rates — turning your matrix into a quick-read heat map.
This ensures your chart displays smooth data without artificial valleys or spikes.
You now have a live-updating Excel dashboard showing average commission rates by carrier and product line, complete with dropdowns and dynamic charts — no manual updates required.