To solve this problem, you can set up an equation using the given information.
Let X be the number of runs made by running between the wickets and
Y be the total number of runs scored.
Then:
X + 3 * 4 + 8 * 6 = Y
X + 12 + 48 = Y
X = Y - 60
X/Y = (Y - 60)/Y
X/Y = 1 - 60/Y
In this case, Y is 120, so X/Y is equal to 1 - 60/120 = 1/2 = 50%.
Therefore, the batsman made 50% of his total score by running between the wickets.