99775 ÷ 7 = 14253 R4
Let's divide 99775 by 7.

Step 1:
7 goes into 9 1 times with a remainder of 2.
Write down 1 as next digit of of the result. 
Result so far: 1
Subtract 7 from 9 to get 2.
Bring next digit (9) of the dividend behind the 2 and repeat the process: 29 / 7

Step 2:
7 goes into 29 4 times with a remainder of 1.
Write down 4 as next digit of of the result. 
Result so far: 14
Subtract 28 from 29 to get 1.
Bring next digit (7) of the dividend behind the 1 and repeat the process: 17 / 7

Step 3:
7 goes into 17 2 times with a remainder of 3.
Write down 2 as next digit of of the result. 
Result so far: 142
Subtract 14 from 17 to get 3.
Bring next digit (7) of the dividend behind the 3 and repeat the process: 37 / 7

Step 4:
7 goes into 37 5 times with a remainder of 2.
Write down 5 as next digit of of the result. 
Result so far: 1425
Subtract 35 from 37 to get 2.
Bring next digit (5) of the dividend behind the 2 and repeat the process: 25 / 7

Step 5:
7 goes into 25 3 times with a remainder of 4.
Write down 3 as next digit of of the result. 
Result so far: 14253
Subtract 21 from 25 to get 4.

The final result is 14253 with a remainder of 4.