We're dividing 624250 by 25 
The aim is to understand the frequency of 25 in 624250.

Step 1:
25 can be fit into 6 0 times, resulting in a remainder of 6.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 6 leaves us with 6.
Bring next digit (2) of the dividend behind the 6 and repeat the process: 62 / 25

Advancing to step 2:
62 divided by 25 is 2 with a remainder of 12.
Put 2 as the next digit of the answer. 
Result so far: 2.0
Deduct 50 from 62 and we're left with 12.
Fetch the next digit (4) from the dividend, attach it to 12 and continue: 124 / 25

On to step 3:
If we divide 124 by 25, we get 4 and a remainder of 24.
Record the quotient 4 as the next digit in the result. 
Result so far: 24.0
Deduct 100 from 124 and we're left with 24.
Append the next digit (2) from the dividend to 24 and continue with: 242 / 25

Step 4:
25 goes into 242 9 times with a remainder of 17.
Put 9 as the next digit of the answer. 
Result so far: 249.0
Subtract 225 from 242 to get 17.
Fetch the next digit (5) from the dividend, attach it to 17 and continue: 175 / 25

On to step 5:
175 divided by 25 is 7 with a remainder of 0.
The next digit of our result is 7. 
Result so far: 2497.0
If we subtract 175 from 175, we get 0.
Take the next digit (0) from the dividend and append it to 0, then repeat: 0 / 25

Going ahead to step 6:
0 divided by 25 is 0 with a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 24970.0
Subtract 0 from 0 to get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Advancing to step 7:
25 can be fit into 0 0 times, resulting in a remainder of 0.
The next digit of our result is 0. 
Result so far: 24970.0
Deduct 0 from 0 and we're left with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Moving on to step 8:
When dividing 0 by 25, we get 0 with a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 24970.0
Subtracting 0 from 0 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

After the division, we end up with 24970.0 and a remainder of 0.0.