Quote from ArcGIS:
Transformations are bi-directional. For example, if converting data from WGS
1984 to NAD 1927, you can pick a transformation called NAD_1927_to_WGS_1984_3,
and the tool will apply it correctly.
Amazing are they dyslexic? When you go FROM WGS to NAD then you should logically pick transformation called: WGS 1986 to NAD_1927.
ArcGIS is made by weird thinkers