We're dividing 84854654 by 840 
We want to divide 84854654 by 840.

Going ahead to step 1:
The number 840 fits into 8 0 times, leaving 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.
Grab the next digit (4) from the dividend, add it to 8, then carry on: 84 / 840

Step 2:
840 can be fit into 84 0 times, resulting in a remainder of 84.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 84 leaves us with 84.
Take the next digit (8) from the dividend and append it to 84, then repeat: 848 / 840

On to step 3:
When dividing 848 by 840, we get 1 with a remainder of 8.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
If we take 840 away from 848, we end up with 8.
Grab the next digit (5) from the dividend, add it to 8, then carry on: 85 / 840

Advancing to step 4:
85 divided by 840 is 0 with a remainder of 85.
Put 0 as the next digit of the answer. 
Result so far: 10.0
Subtract 0 from 85 to get 85.
Bring next digit (4) of the dividend behind the 85 and repeat the process: 854 / 840

Going ahead to step 5:
The number 840 fits into 854 1 times, leaving a remainder of 14.
Record the quotient 1 as the next digit in the result. 
Result so far: 101.0
Deduct 840 from 854 and we're left with 14.
Bring next digit (6) of the dividend behind the 14 and repeat the process: 146 / 840

Advancing to step 6:
840 goes into 146 0 times with a remainder of 146.
Record the quotient 0 as the next digit in the result. 
Result so far: 1010.0
If we take 0 away from 146, we end up with 146.
Bring next digit (5) of the dividend behind the 146 and repeat the process: 1465 / 840

Moving on to step 7:
If we divide 1465 by 840, we get 1 and a remainder of 625.
Put 1 as the next digit of the answer. 
Result so far: 10101.0
If we subtract 840 from 1465, we get 625.
Fetch the next digit (4) from the dividend, attach it to 625 and continue: 6254 / 840

Advancing to step 8:
840 goes into 6254 7 times with a remainder of 374.
The next digit of our result is 7. 
Result so far: 101017.0
Subtract 5880 from 6254 to get 374.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3740, and continue the process.

Advancing to step 9:
If we divide 3740 by 840, we get 4 and a remainder of 380.
Put 4 as the next digit of the answer. 
Result so far: 101017.4
Subtracting 3360 from 3740 leaves us with 380.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3800, and continue the process.

Going ahead to step 10:
3800 divided by 840 is 4 with a remainder of 440.
Record the quotient 4 as the next digit in the result. 
Result so far: 101017.44
If we subtract 3360 from 3800, we get 440.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4400, and continue the process.

After the division, we end up with 101017.44 and a remainder of 0.44.