We look at the division of 99622649 by 235 
The aim is to understand the frequency of 235 in 99622649.

On to step 1:
When dividing 9 by 235, we get 0 with a remainder of 9.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 9 and we're left with 9.
Grab the next digit (9) from the dividend, add it to 9, then carry on: 99 / 235

Advancing to step 2:
99 divided by 235 is 0 with a remainder of 99.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 99 and we're left with 99.
Fetch the next digit (6) from the dividend, attach it to 99 and continue: 996 / 235

Step 3:
996 divided by 235 is 4 with a remainder of 56.
Put 4 as the next digit of the answer. 
Result so far: 4.0
Subtract 940 from 996 to get 56.
Fetch the next digit (2) from the dividend, attach it to 56 and continue: 562 / 235

On to step 4:
235 can be fit into 562 2 times, resulting in a remainder of 92.
Record the quotient 2 as the next digit in the result. 
Result so far: 42.0
Subtract 470 from 562 to get 92.
Grab the next digit (2) from the dividend, add it to 92, then carry on: 922 / 235

Moving on to step 5:
235 can be fit into 922 3 times, resulting in a remainder of 217.
Write down 3 as next digit of the result. 
Result so far: 423.0
If we take 705 away from 922, we end up with 217.
Bring next digit (6) of the dividend behind the 217 and repeat the process: 2176 / 235

Let's proceed to step 6:
When dividing 2176 by 235, we get 9 with a remainder of 61.
Write down 9 as next digit of the result. 
Result so far: 4239.0
The remainder is 61 after subtracting 2115 from 2176.
Grab the next digit (4) from the dividend, add it to 61, then carry on: 614 / 235

Going ahead to step 7:
614 divided by 235 is 2 with a remainder of 144.
Use 2 as the next digit of our solution. 
Result so far: 42392.0
If we take 470 away from 614, we end up with 144.
Take the next digit (9) from the dividend and append it to 144, then repeat: 1449 / 235

On to step 8:
The number 235 fits into 1449 6 times, leaving a remainder of 39.
Use 6 as the next digit of our solution. 
Result so far: 423926.0
Deduct 1410 from 1449 and we're left with 39.
Since there are no more digits in the dividend, we add a zero to the remainder making it 390, and continue the process.

On to step 9:
The number 235 fits into 390 1 times, leaving a remainder of 155.
The number 1 becomes the next digit in our result. 
Result so far: 423926.1
Subtract 235 from 390 to get 155.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1550, and continue the process.

Going ahead to step 10:
The number 235 fits into 1550 6 times, leaving a remainder of 140.
Write down 6 as next digit of the result. 
Result so far: 423926.16
If we take 1410 away from 1550, we end up with 140.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1400, and continue the process.

Let's proceed to step 11:
If we divide 1400 by 235, we get 5 and a remainder of 225.
The number 5 becomes the next digit in our result. 
Result so far: 423926.165
Subtracting 1175 from 1400 leaves us with 225.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2250, and continue the process.

Let's proceed to step 12:
235 goes into 2250 9 times with a remainder of 135.
The next digit of our result is 9. 
Result so far: 423926.1659
Deduct 2115 from 2250 and we're left with 135.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1350, and continue the process.

Going ahead to step 13:
When dividing 1350 by 235, we get 5 with a remainder of 175.
The number 5 becomes the next digit in our result. 
Result so far: 423926.16595
If we subtract 1175 from 1350, we get 175.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1750, and continue the process.

Going ahead to step 14:
235 goes into 1750 7 times with a remainder of 105.
Put 7 as the next digit of the answer. 
Result so far: 423926.165957
Deduct 1645 from 1750 and we're left with 105.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1050, and continue the process.

Going ahead to step 15:
235 goes into 1050 4 times with a remainder of 110.
Use 4 as the next digit of our solution. 
Result so far: 423926.1659574
Subtract 940 from 1050 to get 110.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1100, and continue the process.

Let's proceed to step 16:
235 goes into 1100 4 times with a remainder of 160.
Use 4 as the next digit of our solution. 
Result so far: 423926.16595744
Subtract 940 from 1100 to get 160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1600, and continue the process.

The final outcome is 423926.16595744, with a leftover of 1.6e-07.