Additional Hit Ratio:

This number would be the summation of your Hit Rates. Here are some useful numbers:
Accuracy: Add 1 for each level of Accuracy. Mastered Accuracy gives 20 Hit Rate.
Set Bonus: If you set is +'d you would add the following:
+3 is 5 Hit Rate
+4 - +5 is 10 Hit Rate
+6 - +7 is 20 Hit Rate
+8 - +9 is 30 Hit Rate
+10 is 45 Hit Rate
Weapon Bonus: Look at your weapon. If it has +X% Hit Rate add the X to the other two numbers.
Your Additional Hit Ratio is: Accuracy Lvl + Set Bonus + Weapon Bonus

Additional Flee Ratio:

This number would be the summation of your Flee Rates. Here are some useful numbers:
Perfect Block: Add 1 for each level of Perfect Block. Mastered Perfect Block gives 20 Flee Rate.
Cats Relex: Use the following:
Lvl 1-2 is 1 Flee Rate
Lvl 3-4 is 2 Flee Rate
Lvl 5-6 is 3 Flee Rate
Lvl 7-8 is 4 Flee Rate
Lvl 9-10 is 5 Flee Rate
Lvl 11-12 is 6 Flee Rate
Lvl 13-14 is 7 Flee Rate
Lvl 15-16 is 8 Flee Rate
Lvl 17 is 9 Flee Rate
Lvl 18 is 10 Flee Rate
Lvl 19 is 12 Flee Rate
Lvl 20 is 20 Flee Rate
Set Bonus: If you set is +'d you would add the following:
+3 - +5 is 3 Flee Rate
+6 - +7 is 6 Flee Rate
+8 - +9 is 10 Flee Rate
+10 is 15 Flee Rate
Weapon/Accessory Bonus: Look at your weapon. If it has +X% Flee Rate add the X to the other two numbers.
Your Additional Hit Ratio is: Perfect Block Lvl + Cats Reflex Lvl + Set Bonus + Weapon Bonus

* Note

Mobs after Glaphans have not been calculated for these values. For an approximation you can use the following numbers: Enemy Level: Mobs Level eHit: 180 eFlee: 140