probability of player wins over bank

hey guys i have tried to figure this out for a while but with not much luck, please help:

what is the probability that from any hand in baccarat the subsequent hands will show the player to have won 80 more than the bank?

what is the formula for this if i wanted to change the 80 to 100 or 200?

lets say x is the point at which we are beginning to record the results, and from x, we see that (regardless of the number of hands played or the history of results) the player has won 80 more times than the bank...... PLEASE HELP with a formula

thank you so much