Estimating the backlog with business value
Business value is a custom field which allows measurement of an issue based on the business value delivered by the issue. It allows you to add your team specific measurement values in number format for an issue.
Go to your team board configuration screen, under Estimation tab configure the Estimation Statistics, and select Business Value option.
To add the business value estimates, update the Business Value field in the issue create screen, as shown in the following screenshot:
The burndown chart data is displayed based on the completion of business value over period of time. The velocity of the team is measured in terms of total business value delivered in a Sprint.