BF2S Forums Rank discrepancy

From my stats page (same nick)

Next Rank: Corporal
Global score: 2,740 / 800
At your current rate, you should earn 0 in 0.00 days (or 00:00:00 straight).

100%
Next Rank: Sergeant
Global score: 2,740 / 2,500
At your current rate, you should earn 0 in 0.00 days (or 00:00:00 straight).

100%
Next Rank: Staff Sergeant
Global score: 2,740 / 5,000
At your current rate, you should earn 2,260 in 84.35 days (or 27:13:47 straight).

54.80%

..yet it shows Lance Corporal at the top???