Back
Purchasing & Inventory

Actual vs Theoretical Variance Percentage Calculator

Use this tool to review actual vs theoretical variance percentage with a consistent period, denominator, and operating rule.

  • No login required
  • Save in this browser
  • Optional account sync
  • Built for hotel operators
Inputs

Enter your figures

Run the calculator anonymously, then save the result in this browser or sync it to your account after sign-in.

$
$
Formula

How this calculator works

This formula converts source operating values into actual vs theoretical variance percentage for quick review.

AvT Variance % = ((Actual COGS − Theoretical COGS) ÷ Theoretical COGS) × 100
Context

Why this metric matters

restaurant system compares actual vs theoretical in quantity, dollars, and % of net sales. Helpful for shrinkage diagnosis.

Hotel insight

Industry context

  • restaurant system compares actual vs theoretical in quantity, dollars, and % of net sales. Helpful for shrinkage diagnosis.
  • Small changes in denominator rules can move the result, so keep the same reporting basis when comparing periods.
Operational notes

Before you act on the number

  • ($20,000 − $18,850) ÷ $18,850 × 100 = 6.10%
  • Confirm whether internal-use, complimentary, adjustment, or excluded activity should be included before comparing periods.
  • Use this result as an operating guide and review it with the supporting business context.