Bboy360 com's Summary stats for all time
Completion Percentage - 34.30%
has won 6,833 Achievements out of a possible 19,919 (34.30% Completion - 13,086 remaining)
has a Gamerscore of 137,549 out of a possible 446,970 (30.77% Completion - 309,421 remaining)
has a TrueAchievement score of 196,540 out of a possible 1,168,440 (16.82% Completion - 971,900 remaining)
If all achievements were worth 10 Gamerscore, the Standardized Score would be 96,995 points.
These stats exclude DLC packs without any achievements won.