Ranged Crit Chance not calculated as expected

I might regret posting this, but the critical chance for ranged seems to be too high for me according to the formula that @Chris posted.
Don't get me wrong, I love it, but it doesn't seem to be behaving as intended.

Char stats:
Adv-Lvl: 72
Dex ~85 (depending on day/night and if the buff has run out infight)
Armor Weakpoints: 80 (5% according to tooltip)
Base Crit of Longbow: 5%
Crit-Bonus on Gear: 1.3%

So iirc the crit chance should be: (8.5%+5%+5%) * 1.013 = 18.74%

I gathered the following data at Sequanna Colossus fighting Hardened Skeletons, Liches, Bandits and Wolves:

Spoiler

Total Attacks 991
Miss 31
Miss % 0,03128153
Crits 245
Crit % 0,24722503

Autoattacks 221
Autocrits 67
Auto % 0,30316742

Aimed 67
Aimed Crit 15
Aimed % 0,2238806

Rapid 485
Rapid Crit 112
Rapid % 0,23092784

Disabling 49
Disabling Crit 5
Disabling % 0,10204082

Pierc Br 64
Pierc Crit 19
Pierc % 0,296875

Shock Arr 65
Shock Crit 22
Shock % 0,33846154

So my actual crit rate seems to be at roughly 24.7%. Was there an undocumented tweak to the formula? If so, then I'm happy about it. If not then something's not right (please take your time fixing it though ).
Of course I'm not 100% sure if the higher crit rate might be related to positioning even though I was fighting alone all the time and thus not scoring many hits from behind.

 

Thanks so much, @WehTeheFf! I submit this to the team

 

You're very welcome @margaritte . Thanks for working in the Bug Brigade

 

Just wanted to post an update on this:
The critical chance BONUS from gear seems to be working fine. I did a test run today with a +17% crit chance Bow which increased my crit rate to about 28%. That's ~4% more than without the crit bonus on the bow (24 * 0.17 = 4.08).

So it's only the base crit chance that calculates differently than expected.