Ivo21 From Netherlands, joined Jan 2002, 25 posts, RR: 0 Reply 1, posted (11 years 3 months 4 weeks 11 hours ago) and read 869 times:
The percentage of the centre of gravity is the percentage of distance of the aerodynamic cord of the wing profile. So if the centre of gravity is at 35.8% that means that the CG is at 35.8% of the total length of the cord from the leading edge of the wing.