Scenarios are layers you can add into an existing budget to be able to review the impact a smaller change will have on the overall organisation.
They are constructed in the same way as a full budget
Type in adjusting values for either a positive or negative change to an existing budget
All the existing budget features are available including shortcuts
Formulas can reference either the same Scenario, a different Scenario or a Budget version
You can Preview the effect of a Scenario on a Budget in the Budget screen without needing to run a report.
Preview and Reports can include as many Scenarios as you like to review multiple options
You can create Scenarios on Business Units
For additional information see Scenarios: Overview