With the Mega Evolution system apparently right around the corner, the Gamepress team has added the full set of Mega Evolutions (plus the two Primal Reversions) to our database, including stats derived from the existing CP-conversion formula. This information is temporary and may change without notice, but it can be used to at least get an idea as to how the Mega Evolutions will stack up.
You can also access Mega Evolution pages via a given base form Pokemon's stats, just like with shadow formes:
