Please help not sure what happened.

At the start of the day I had $700.00 randomly started losing money. Ended day with $100.00 had $400 profits. Saved. Reloaded. Now I have $73,000,000,000,000,000,000.00~ what happened? How to fix? Is there a save editor or something?

At the start of the day I had $700.00 randomly started losing money. Ended day with $100.00 had $400 profits. Saved. Reloaded. Now I have $73,000,000,000,000,000,000.00~ what happened? How to fix? Is there a save editor or something?