He is a mean and greedy man who often does business with the Romans. Appears in Asterix and the Cauldron when he tries to trick the Gauls into paying his taxes for him, though by the end he has lost the money he regained.
This is normal. Your credit score could change daily depending on how often your credit report is updated. Your creditors and lenders are continuously making updates to your credit report throughout the month. Each time you check your credit score, it's recalculated based on the information in your credit report.
Getting a negative item like this one removed from your credit reports will often help your credit scores. But how much will your credit scores change when the tax lien is withdrawn? It depends on a number of factors, including how old the lien is and what other type of information is in your reports.