We look at the division of 88656377 by 821 
The aim is to understand the frequency of 821 in 88656377.

On to step 1:
The number 821 fits into 8 0 times, leaving a remainder of 8.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 8, we end up with 8.
Take the next digit (8) from the dividend and append it to 8, then repeat: 88 / 821

Advancing to step 2:
821 goes into 88 0 times with a remainder of 88.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 88 leaves us with 88.
Fetch the next digit (6) from the dividend, attach it to 88 and continue: 886 / 821

Step 3:
The number 821 fits into 886 1 times, leaving a remainder of 65.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
If we subtract 821 from 886, we get 65.
Bring next digit (5) of the dividend behind the 65 and repeat the process: 655 / 821

Moving on to step 4:
821 goes into 655 0 times with a remainder of 655.
Write down 0 as next digit of the result. 
Result so far: 10.0
Deduct 0 from 655 and we're left with 655.
Grab the next digit (6) from the dividend, add it to 655, then carry on: 6556 / 821

Step 5:
When dividing 6556 by 821, we get 7 with a remainder of 809.
The number 7 becomes the next digit in our result. 
Result so far: 107.0
Subtract 5747 from 6556 to get 809.
Fetch the next digit (3) from the dividend, attach it to 809 and continue: 8093 / 821

Step 6:
When dividing 8093 by 821, we get 9 with a remainder of 704.
The number 9 becomes the next digit in our result. 
Result so far: 1079.0
Subtract 7389 from 8093 to get 704.
Bring next digit (7) of the dividend behind the 704 and repeat the process: 7047 / 821

On to step 7:
821 can be fit into 7047 8 times, resulting in a remainder of 479.
Write down 8 as next digit of the result. 
Result so far: 10798.0
Deduct 6568 from 7047 and we're left with 479.
Fetch the next digit (7) from the dividend, attach it to 479 and continue: 4797 / 821

Moving on to step 8:
821 goes into 4797 5 times with a remainder of 692.
Write down 5 as next digit of the result. 
Result so far: 107985.0
Subtracting 4105 from 4797 leaves us with 692.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6920, and continue the process.

On to step 9:
The number 821 fits into 6920 8 times, leaving a remainder of 352.
Write down 8 as next digit of the result. 
Result so far: 107985.8
Deduct 6568 from 6920 and we're left with 352.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3520, and continue the process.

Going ahead to step 10:
The number 821 fits into 3520 4 times, leaving a remainder of 236.
Use 4 as the next digit of our solution. 
Result so far: 107985.84
If we subtract 3284 from 3520, we get 236.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2360, and continue the process.

Step 11:
2360 divided by 821 is 2 with a remainder of 718.
Write down 2 as next digit of the result. 
Result so far: 107985.842
Deduct 1642 from 2360 and we're left with 718.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7180, and continue the process.

Moving on to step 12:
The number 821 fits into 7180 8 times, leaving a remainder of 612.
The next digit of our result is 8. 
Result so far: 107985.8428
Subtract 6568 from 7180 to get 612.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6120, and continue the process.

Advancing to step 13:
The number 821 fits into 6120 7 times, leaving a remainder of 373.
Put 7 as the next digit of the answer. 
Result so far: 107985.84287
If we take 5747 away from 6120, we end up with 373.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3730, and continue the process.

Advancing to step 14:
When dividing 3730 by 821, we get 4 with a remainder of 446.
Use 4 as the next digit of our solution. 
Result so far: 107985.842874
Subtract 3284 from 3730 to get 446.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4460, and continue the process.

Moving on to step 15:
If we divide 4460 by 821, we get 5 and a remainder of 355.
The next digit of our result is 5. 
Result so far: 107985.8428745
Subtract 4105 from 4460 to get 355.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3550, and continue the process.

Step 16:
3550 divided by 821 is 4 with a remainder of 266.
The next digit of our result is 4. 
Result so far: 107985.84287454
The remainder is 266 after subtracting 3284 from 3550.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2660, and continue the process.

The quotient of the division is 107985.84287454, and the remainder is 2.66e-07.