Select all the automated tracks and just change the volume for those selected tracks, for example?
open automation track, rightclick, select all…
Is it volume automation you want to change? If so just use Show All Used Automation, Ctrl- Click to select desired and use the Logical Editor to effect the change.
This ‘process’ should be more simple as on Protools…
Just 2 clicks…
Thinking about this, you could probably create a macro to do it in one shot. Show Used Automation, set up a logical editor preset to select tracks with Volume in the name and then process the automation by a percentage. Got a project I’m working on, don’t want to screw anything up trying it.