Using Actuate BIRT Viewers : Functions and operators : % OF DIFFERENCE( )
 
% OF DIFFERENCE( )
Calculates the percentage of the difference between values.
Category
Financial
Column
Select the first column from the list.
Column
Select the second column from the list.
Returns
Interactive Viewer calculates the percentage of the difference between the second measure and the first measure, as follows:
((ColumnB - ColumnA)/ColumnB) * 100%
Interactive Viewer displays the percentage of the difference in the column values.