Home > CNFANS Guide: Automate Seller Ratings with Spreadsheet Formulas

CNFANS Guide: Automate Seller Ratings with Spreadsheet Formulas

2025-12-17

Build a self-calculating performance dashboard for supplier evaluation using reliability and refund metrics.

Why Automate Seller Scores?

Manually tracking supplier performance is time-consuming and prone to errors. By creating an auto-calculating spreadsheet, you can:

  • Instantly see a seller's current performance score.
  • Objectively compare multiple suppliers based on key metrics.
  • Save hours of manual calculation and data entry.
  • Make faster, data-driven sourcing decisions on CNFANS

The Core Metrics: Reliability & Refund Ratio

Our automated score will be based on two fundamental indicators:

Metric Description Data Source
On-Time Delivery Rate (Reliability) Percentage of orders delivered by the promised date. Your order history/logs.
Refund/Issue Ratio Percentage of orders requiring a refund or major dispute. Platform dispute records or communication logs.

Building the Automated Spreadsheet

Follow these steps in Google Sheets, Excel, or similar software.

Step 1: Structure Your Data

Create columns for raw transaction data. Example:

Seller Name | Order ID | Promised Date | Actual Date | Order Value | Refund Amount | Refund Issued?

Step 2: Create Summary Calculations

In a separate Dashboard

Reliability Formula

=COUNTIFS(SellerRange, "SellerA", ActualDateRange, "<=", PromisedDateRange) / COUNTIF(SellerRange, "SellerA")

This counts orders delivered on/before promise and divides by total orders.

Refund Ratio Formula

=SUMIF(SellerRange, "SellerA", RefundAmountRange) / SUMIF(SellerRange, "SellerA", OrderValueRange)

Or, if tracking by count: =COUNTIFS(SellerRange, "SellerA", RefundIssuedRange, "YES") / COUNTIF(SellerRange, "SellerA")

Step 3: Calculate the Final Performance Score

Combine the metrics into a single, weighted score. For example, prioritize reliability (70%) over refund ratio (30%).

Overall Score Formula (0-100 Scale)

=(ReliabilityCell * 0.7 + (1 - RefundRatioCell) * 0.3) * 100

Explanation: A high reliability percentage and a low

Example Dashboard View

Seller Reliability Refund Ratio Auto Score Rating
Supplier_A 95% 2% 93.9 ★ ★ ★ ★ ★
Supplier_B 80% 10% 77.0 ★ ★ ★ ☆ ☆
Supplier_C 70% 15% 67.0 ★ ★ ☆ ☆ ☆

The "Rating" column can use the =IF(ScoreCell >= 90, "★★★★★", IF(ScoreCell >= 75, "★★★☆☆", "★★☆☆☆"))

Pro Tips for CNFANS Users

  • Color-Code Scores:green (Score     80), yellow (60-80), or red (Score < 60).
  • Dynamic Updates:automatically.
  • Add More Metrics:
  • Pivot Tables:

Conclusion

By investing an hour to set up this automated system, you transform raw transactional data into a powerful, real-time seller performance tool. This allows CNFANS

Start building your automated rater today!