When working with another currency, it's very easy to change from the default currency.
This will not only effect the currency in your calculations, but also in your artist statement, invoices and contracts.
Change currency
Go to the Event where you want to change the currency and click on DEAL.
Right above your deal type and fee, you will find this:
Click on the arrows to choose your currency.
And click on the currency you would like to use.
You will notice, for example in your Artist Statement, the currency has changed.