Enter the total decline and the total value into the Calculator. The calculator will evaluate the Decline Rate. 

Decline Rate Formula

DR = TD / TV * 100


  • DR is the Decline Rate (%)
  • TD is the total decline
  • TV is the total value

To calculate Decline Rate, divide the total decline by the total value, then multiply by 100.

How to Calculate Decline Rate?

The following steps outline how to calculate the Decline Rate.

  1. First, determine the total decline. 
  2. Next, determine the total value. 
  3. Next, gather the formula from above = DR = TD / TV * 100.
  4. Finally, calculate the Decline Rate.
  5. After inserting the variables and calculating the result, check your answer with the calculator above.

Example Problem : 

Use the following variables as an example problem to test your knowledge.

total decline = 75

total value = 200

Frequently Asked Questions (FAQ)

What is a good Decline Rate percentage?

A good Decline Rate percentage can vary depending on the context. For businesses, a lower Decline Rate is generally preferable, indicating less reduction in sales or performance over a given period. Ideally, keeping the Decline Rate as low as possible is the goal.

How can a business improve its Decline Rate?

Improving a Decline Rate involves identifying the reasons behind the decline and addressing them. This could include enhancing product quality, improving customer service, adjusting pricing strategies, or increasing marketing efforts to boost sales.

Is the Decline Rate applicable only to sales?

No, the Decline Rate can be applied to various metrics beyond sales, such as employee turnover, customer retention rates, or even website traffic. It is a versatile tool that can help measure performance decline across different domains.

Can the Decline Rate formula be used for forecasting?

While the Decline Rate formula primarily measures past performance, it can be used as part of a forecasting model. By analyzing historical Decline Rates, businesses can project future trends and make more informed decisions. However, it should be used alongside other forecasting methods for accuracy.