Answer:
-1056.87
Step-by-step explanation:
You want to know the number that represents the change in a bank balance from +$708.88 to -$347.99.
The change in a value is found by subtracting the beginning value from the ending value:
-$347.99 -708.88 = -$1056.87
The number -1056.87 can be used to describe the change in the account balance.