We divide 778043 by 99
The aim is to understand the frequency of 99 in 778043.

Advancing to step 1:
When dividing 7 by 99, we get 0 with a remainder of 7.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 7 and we're left with 7.
Grab the next digit (7) from the dividend, add it to 7, then carry on: 77 / 99

Going ahead to step 2:
99 can be fit into 77 0 times, resulting in a remainder of 77.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 77 and we're left with 77.
Bring next digit (8) of the dividend behind the 77 and repeat the process: 778 / 99

Going ahead to step 3:
The number 99 fits into 778 7 times, leaving a remainder of 85.
Record the quotient 7 as the next digit in the result. 
Result so far: 7.0
The remainder is 85 after subtracting 693 from 778.
Include the next digit (0) from the dividend after 85, then repeat: 850 / 99

Advancing to step 4:
850 divided by 99 is 8 with a remainder of 58.
The number 8 becomes the next digit in our result. 
Result so far: 78.0
Subtract 792 from 850 to get 58.
Fetch the next digit (4) from the dividend, attach it to 58 and continue: 584 / 99

Advancing to step 5:
99 can be fit into 584 5 times, resulting in a remainder of 89.
The next digit of our result is 5. 
Result so far: 785.0
If we subtract 495 from 584, we get 89.
Include the next digit (3) from the dividend after 89, then repeat: 893 / 99

Going ahead to step 6:
99 goes into 893 9 times with a remainder of 2.
The next digit of our result is 9. 
Result so far: 7859.0
Subtracting 891 from 893 leaves us with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Moving on to step 7:
99 goes into 20 0 times with a remainder of 20.
The number 0 becomes the next digit in our result. 
Result so far: 7859.0
If we subtract 0 from 20, we get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Let's proceed to step 8:
The number 99 fits into 200 2 times, leaving a remainder of 2.
Use 2 as the next digit of our solution. 
Result so far: 7859.02
If we take 198 away from 200, we end up with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Advancing to step 9:
When dividing 20 by 99, we get 0 with a remainder of 20.
Record the quotient 0 as the next digit in the result. 
Result so far: 7859.02
Subtract 0 from 20 to get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Step 10:
99 can be fit into 200 2 times, resulting in a remainder of 2.
The number 2 becomes the next digit in our result. 
Result so far: 7859.0202
The remainder is 2 after subtracting 198 from 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Step 11:
20 divided by 99 is 0 with a remainder of 20.
Use 0 as the next digit of our solution. 
Result so far: 7859.0202
The remainder is 20 after subtracting 0 from 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Let's proceed to step 12:
When dividing 200 by 99, we get 2 with a remainder of 2.
The number 2 becomes the next digit in our result. 
Result so far: 7859.020202
The remainder is 2 after subtracting 198 from 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

On to step 13:
The number 99 fits into 20 0 times, leaving a remainder of 20.
Use 0 as the next digit of our solution. 
Result so far: 7859.020202
Deduct 0 from 20 and we're left with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Step 14:
When dividing 200 by 99, we get 2 with a remainder of 2.
The number 2 becomes the next digit in our result. 
Result so far: 7859.02020202
The remainder is 2 after subtracting 198 from 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

The final outcome is 7859.02020202, with a leftover of 2e-09.