Do you mean the difference between 777 and 4?It is 773.
The difference is 6. 1/4 of 16 is 4, and 1/2 of 20 is 10 !
If you mean: 4/20 then it is 1/5 in its simplest form
If you mean 4/20 then as a decimal it is 0.2
It doesn't actually mean difference, but it can be used to get the difference between values. 11 subtract 4 is 7, and 7 is the difference between 4 and 11.
25 - 5 = 20
3/4 = 15/20, 3/5 = 12/20 so difference is 3/20 or 15%
The difference between 4,632 and 20,000 is 15,368.
Mean = Sum/Count = 20/5 = 4
24 and 4
16 and 20
128