All methods are shown here https://accountants-community.intuit.com/articles/1857461-depreciation-methods Possibly 66 is what you are searching for.

Alternatively, 93 is 150% DB. You can enter the number instead of searching for the method. The next entry is 15 for the # of years and the next is 2 or MQ.

I am not saying that you should not possibly correct what the prior preparer has done. Maybe