in WOW there is a xmp packet
All that data matches up with what http://regex.info/exif.cgi has labeled the Paint Based Correction. This might just be the OPs edits on top of the original.Looks like that's true. Here's the coordinates plotted out.
On a piece of paper, your Y direction is downwards... you should flip this image, and overlay with the wow.jpg I guess.
visually it seems the channel information alteration lines up.
if might give the right order of the revised channel numbers....
I just don't have the tools....