We look at the division of 85588991 by 988 
We want to divide 85588991 by 988.

Step 1:
988 goes into 8 0 times with a remainder of 8.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 8 leaves us with 8.
Bring next digit (5) of the dividend behind the 8 and repeat the process: 85 / 988

On to step 2:
988 goes into 85 0 times with a remainder of 85.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 85, we get 85.
Include the next digit (5) from the dividend after 85, then repeat: 855 / 988

Advancing to step 3:
855 divided by 988 is 0 with a remainder of 855.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 855 to get 855.
Append the next digit (8) from the dividend to 855 and continue with: 8558 / 988

Advancing to step 4:
8558 divided by 988 is 8 with a remainder of 654.
Write down 8 as next digit of the result. 
Result so far: 8.0
Subtracting 7904 from 8558 leaves us with 654.
Fetch the next digit (8) from the dividend, attach it to 654 and continue: 6548 / 988

Going ahead to step 5:
6548 divided by 988 is 6 with a remainder of 620.
Write down 6 as next digit of the result. 
Result so far: 86.0
If we take 5928 away from 6548, we end up with 620.
Append the next digit (9) from the dividend to 620 and continue with: 6209 / 988

On to step 6:
988 goes into 6209 6 times with a remainder of 281.
The next digit of our result is 6. 
Result so far: 866.0
If we take 5928 away from 6209, we end up with 281.
Append the next digit (9) from the dividend to 281 and continue with: 2819 / 988

Going ahead to step 7:
2819 divided by 988 is 2 with a remainder of 843.
Use 2 as the next digit of our solution. 
Result so far: 8662.0
Deduct 1976 from 2819 and we're left with 843.
Fetch the next digit (1) from the dividend, attach it to 843 and continue: 8431 / 988

On to step 8:
The number 988 fits into 8431 8 times, leaving a remainder of 527.
Use 8 as the next digit of our solution. 
Result so far: 86628.0
The remainder is 527 after subtracting 7904 from 8431.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5270, and continue the process.

On to step 9:
The number 988 fits into 5270 5 times, leaving a remainder of 330.
Write down 5 as next digit of the result. 
Result so far: 86628.5
The remainder is 330 after subtracting 4940 from 5270.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3300, and continue the process.

Moving on to step 10:
The number 988 fits into 3300 3 times, leaving a remainder of 336.
The next digit of our result is 3. 
Result so far: 86628.53
Subtracting 2964 from 3300 leaves us with 336.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3360, and continue the process.

Step 11:
If we divide 3360 by 988, we get 3 and a remainder of 396.
Use 3 as the next digit of our solution. 
Result so far: 86628.533
Deduct 2964 from 3360 and we're left with 396.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3960, and continue the process.

The final result is 86628.533 with a remainder of 0.0396.