Are you talking about encounter rates? Those are a little different and don't work the same way on the WM than they do on the fields.

Yes. I want to know the chance of chocobo battles that are based on encounter rating.

Example for Special Formation battles (Back Attack 1, Back Attack 2, Side Attack, Ambush):

Junon Area - Grass Encounter Value: 32

Normal Battle #1: 16/64 Chance Back Attack #1: 4/64 Chance

Row 1: 2x Nerosuferoth Row 2: 2x Nerosuferoth

Normal Battle #2: 16/64 Chance Back Attack #2: 4/64 Chance

Row 1: 2x Nerosuferoth Row 1: 1x Nerosuferoth

Row 2: 1x Formula Row 2: 2x Nerosuferoth

Normal Battle #3: 16/64 Chance

Row 1: 1x Zemzelett

Normal Battle #4: 16/64 Chance

Row 1: 1x Zemzelett,

2x Nerosuferoth

We have 2 special formation battles with 4/64 Chance: 4 + 4 = 8/64 Chance for special formation battles, and 64 - 8 = 56 / 64 = Chance for Normal Battles.

According to the Enemy Mechanics FAQ by TFergusson:

Each unique area can support up to: 6 Normal battles and 4 Special Formation battles.

In addition, World Map areas can support a further 4 Chocobo battles.

As soon as the chance succeeds and a random battle is going to occur, the following things are considered in order:

Unique/Chocobo Battles

Pre-emptive Chance

Special Formations

Normal Battles

If the area has any Special Formation battles, you have a chance of getting them first.

All Special Formation Battles have a chance out of 64 of occurring.

The chance of not getting a Special Formation battle is equal to 64/64 minus the sum of the probabilities of all available Special Formation battles.

Example for Chocobo Battles 1, 2, 3, 4:

Junon Area - Chocobo tracks (if Chocobo lure rating > 0)

Chocobo Battle 1 = 16/128 Chance (I think it is 16/128, and not 16/64)

Chocobo Battle 2 = 16/128 Chance

Chocobo Battle 3 = 16/128 Chance

Chocobo Battle 4 = 16/128 Chance

16*4 = 64/128 Chance for Chocobo battles (50% as we can see in the table above)

Chocobo Farm Area - Chocobo tracks

Chocobo Battle 1 = 24/128 Chance (I think it is 24/128, and not 24/64)

Chocobo Battle 2 = 24/128 Chance

Chocobo Battle 3 = 24/128 Chance

Chocobo Battle 4 = 24/128 Chance

24*4 = 96/128 Chance (75% as we can see in the table above)

Gold Saucer Area - Chocobo tracks (near Gold Saucer Desert)

Chocobo Battle 1 = 5/128 Chance

Chocobo Battle 2 = 5/128 Chance

Chocobo Battle 3 = 11/128 Chance

Chocobo Battle 4 = 11/128 Chance

5+5+11+11 = 32/128 Chance (25%)

Rocket Town Area - Chocobo tracks

Chocobo Battle 1 = 5/128 Chance

Chocobo Battle 2 = 5/128 Chance

Chocobo Battle 3 = 11/128 Chance

Chocobo Battle 4 = 11/128 Chance

5+5+11+11 = 32/128 Chance (25%)

Wutai Area - Chocobo tracks

Chocobo Battle 1 = 8/128 Chance

Chocobo Battle 2 = 8/128 Chance

Chocobo Battle 3 = 8/128 Chance

Chocobo Battle 4 = 8/128 Chance

8*4 = 32/128 Chance (25%)

Icicle Area (Snow Field) - Chocobo tracks

Chocobo Battle 1 = 3/128 Chance

Chocobo Battle 2 = 3/128 Chance

Chocobo Battle 3 = 13/128 Chance

Chocobo Battle 4 = 13/128 Chance

3+3+13+13 = 32/128 Chance (25%)

Mideel Area - Chocobo tracks

Chocobo Battle 1 = 7/128 Chance

Chocobo Battle 2 = 7/128 Chance

Chocobo Battle 3 = 9/128 Chance

Chocobo Battle 4 = 9/128 Chance

7+7+9+9 = 32/128 Chance (25%)

But 32/128 Chance (25%) if the Chocobo lure rating = 8.

And 32/128 Chance (25%) possibly multiplied by Chocobo lure rating and divided by 8: (32 * 8/8) / 128 = 32/128 (25%).

So, for Chocobo lure rating 16: (32 * 16/8) / 128 = 64/128 Chance (50%);

for Chocobo lure rating 32: (32 * 32/8) / 128 = 128/128 Chance (100%), which is the same as the table above. I don't know who created this table, but it seems to be true. Because with Chocobo lure rating we can increase chance for Chocobo battles. And of course, this is just a theory based on the table.

If you need a more detailed explanation and an actual table I might be able to provide one tomorrow.

Yes, it would be nice. Because I do not know, how Chocobo lure rating increases chance for Chocobo battles. My only guess is that the Chocobo lure rating increases the Chocobo encounter rating while calculating the instructions, and this increases the chance of chocobo battles.