How do I get the same results as "Variations"?

Hi All
I've just bitten the bullet and subscribed to Creative Cloud.
I've brought many old actions across, and the ones that contain a "Variations" step fail.
Having looked at many posts I appreciate that Variations is gone, and doesn't seem to be coming back any time soon.
Many people point out that the same results can be achieved via levels, curves, colour balance etc.
Looking at the variations step in an action (in an older PS version) shows a series of values, for example:
Red Gamma: 3.086
Green Gamma: 1.73
Blue Gamma: 0.552
Red White Point: 247
Green White Point: 247
Blue White Point: 247
Red Black Point: -1
Green Black Point: 0
Blue Black Point: 3
Saturation: 90
How can these numbers be used to amend the actions and give the same result via other means?
Thanks

The variations are/were used in a product design context, to take a standard component and produce colour versions.
(So no photos to upload, and commercially sensitive images)
Variations was really convenient to use with the client - "a bit redder, bit darker" etc. and usually were the final step after a load of other Hue/Sat/Levels/Curves steps.
There's a lot of them and the original reference objects are no longer available. 
I've been doing some tests today with references taken from expanding the "variations" step within the old actions like those above.
Using "Levels" and the Black Point, Gamma and White Point values in the relevant RGB channels gets close, (slightly off as it doesn't accept to 3 decimal places so rounds them).
However it comes unstuck as some of the Black Point values are less than 0 and there are White Points greater than 255, (-1 in the example above but some white points are at 263).
Also the Saturation value doesn't seem to relate to the usual method.
I'd understand more (whilst not being entirely happy) if they'd canned it completely when moving to 64bit, but JJMack points out that it was available in CC5, which I don't have and would be unsupported now anyway.
Those numbers must mean something.

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