Here you go, saved you a couple of seconds.
Movement Speed Formula
(Base Movement Speed + Flat MS Bonus) * (1 + Sum of % affecting MS)
Base Movement Speed: Is the starting MS of any hero .
Flat MS Bonus: Is the Movespeed Bonus from any kind of Boots (Only the one that provides more MS will work) + the bonus MS from Euls
Sum of % affecting MS: Is the addition of any % incresing or decreasing buffs.
Darkterror (300 Base MS) with Boots, Eul's and under the effect of Degen Aura Lvl 4 (28% slow) and Empowering Haste Level 1 (6% MS increase)