We're dividing 867658 by 99 
The aim is to understand the frequency of 99 in 867658.

Step 1:
When dividing 8 by 99, we get 0 with a remainder of 8.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 8 and we're left with 8.
Grab the next digit (6) from the dividend, add it to 8, then carry on: 86 / 99

Let's proceed to step 2:
99 can be fit into 86 0 times, resulting in a remainder of 86.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 86, we get 86.
Bring next digit (7) of the dividend behind the 86 and repeat the process: 867 / 99

Let's proceed to step 3:
When dividing 867 by 99, we get 8 with a remainder of 75.
Write down 8 as next digit of the result. 
Result so far: 8.0
If we subtract 792 from 867, we get 75.
Take the next digit (6) from the dividend and append it to 75, then repeat: 756 / 99

Going ahead to step 4:
756 divided by 99 is 7 with a remainder of 63.
Use 7 as the next digit of our solution. 
Result so far: 87.0
If we subtract 693 from 756, we get 63.
Grab the next digit (5) from the dividend, add it to 63, then carry on: 635 / 99

Advancing to step 5:
The number 99 fits into 635 6 times, leaving a remainder of 41.
Record the quotient 6 as the next digit in the result. 
Result so far: 876.0
Subtracting 594 from 635 leaves us with 41.
Include the next digit (8) from the dividend after 41, then repeat: 418 / 99

Going ahead to step 6:
99 can be fit into 418 4 times, resulting in a remainder of 22.
The number 4 becomes the next digit in our result. 
Result so far: 8764.0
Subtract 396 from 418 to get 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

Advancing to step 7:
99 can be fit into 220 2 times, resulting in a remainder of 22.
Write down 2 as next digit of the result. 
Result so far: 8764.2
The remainder is 22 after subtracting 198 from 220.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

Going ahead to step 8:
If we divide 220 by 99, we get 2 and a remainder of 22.
Write down 2 as next digit of the result. 
Result so far: 8764.22
If we subtract 198 from 220, we get 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

The final result is 8764.22 with a remainder of 0.022.