We divide 521609 by 624
We're looking to find how many times 624 goes into 521609.

Advancing to step 1:
If we divide 5 by 624, we get 0 and a remainder of 5.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 5 leaves us with 5.
Take the next digit (2) from the dividend and append it to 5, then repeat: 52 / 624

Advancing to step 2:
The number 624 fits into 52 0 times, leaving a remainder of 52.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 52 leaves us with 52.
Bring next digit (1) of the dividend behind the 52 and repeat the process: 521 / 624

Let's proceed to step 3:
When dividing 521 by 624, we get 0 with a remainder of 521.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 521 and we're left with 521.
Include the next digit (6) from the dividend after 521, then repeat: 5216 / 624

Moving on to step 4:
The number 624 fits into 5216 8 times, leaving a remainder of 224.
Write down 8 as next digit of the result. 
Result so far: 8.0
If we take 4992 away from 5216, we end up with 224.
Append the next digit (0) from the dividend to 224 and continue with: 2240 / 624

Moving on to step 5:
When dividing 2240 by 624, we get 3 with a remainder of 368.
Record the quotient 3 as the next digit in the result. 
Result so far: 83.0
Subtracting 1872 from 2240 leaves us with 368.
Take the next digit (9) from the dividend and append it to 368, then repeat: 3689 / 624

Step 6:
624 goes into 3689 5 times with a remainder of 569.
Write down 5 as next digit of the result. 
Result so far: 835.0
The remainder is 569 after subtracting 3120 from 3689.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5690, and continue the process.

Let's proceed to step 7:
624 can be fit into 5690 9 times, resulting in a remainder of 74.
The number 9 becomes the next digit in our result. 
Result so far: 835.9
Deduct 5616 from 5690 and we're left with 74.
Since there are no more digits in the dividend, we add a zero to the remainder making it 740, and continue the process.

Step 8:
740 divided by 624 is 1 with a remainder of 116.
Write down 1 as next digit of the result. 
Result so far: 835.91
Subtracting 624 from 740 leaves us with 116.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1160, and continue the process.

Let's proceed to step 9:
The number 624 fits into 1160 1 times, leaving a remainder of 536.
Use 1 as the next digit of our solution. 
Result so far: 835.911
Subtract 624 from 1160 to get 536.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5360, and continue the process.

The final outcome is 835.911, with a leftover of 0.0536.