1. SAP Help Portal - Restricted Measures: "You can restrict a measure to a fixed or dynamic time range... For dynamic time ranges
you can select Current Date
a specific time range such as Year to Date
or create a custom current date."
Source: SAP Help Portal
"Creating Restricted Measures in a Story". (Specific page content may vary with updates
but the functionality is core to the feature).
2. SAP Help Portal - Difference From Calculation: "The Difference From calculation shows the difference for a measure between a time period and a previous time period... You can select a time offset
such as Previous Year or Previous Period."
Source: SAP Help Portal
"Add a Difference From Calculation". (This documentation details the dynamic time offsets available).