Loss Percentage Calculator
Calculate the percentage lost from an original value. Useful for investment loss, value drop, or any decrease expressed as a percentage.
What is Loss Percentage?
Loss percentage shows what proportion of the original value has been lost. It is calculated as (Loss ÷ Original) × 100. Use it for investments, asset values, sales figures, or any metric that has decreased from a starting point.
Frequently Asked Questions
How is loss percentage calculated?
Loss percentage = (Loss Amount / Original Value) × 100. So (Original - Current) / Original × 100. It shows what percentage of the original has been lost.
What can I use the loss percentage calculator for?
Use it for financial loss (investments, sales), value loss (assets, inventory), or any situation where you want to express a drop as a percentage of the original.
Is loss percentage the same as reduction percentage?
Yes. Both measure a decrease from an original value. 'Loss' is often used in finance or when the drop is negative (e.g. a loss); 'reduction' is used for discounts or cuts.
Is this calculator free?
Yes. Enter original value and value after loss to get the loss amount and loss percentage. No registration required.
Related Calculators
Cite This Calculator
Reference this calculator on your website or in your work using the citation below:
HTML Citation Code:
<p>Calculator: <a href="https://onlinecalculator.co.uk/percentage/loss-percentage-calculator" target="_blank">Loss Percentage Calculator</a> - OnlineCalculator.co.uk</p>APA Style Citation:
OnlineCalculator.co.uk. (2025). Loss Percentage Calculator. Retrieved from https://onlinecalculator.co.uk/percentage/loss-percentage-calculatorNote: This calculator is free to use and reference. No permission required for educational or commercial citation.