Hi there please refrain from posting on topics from more then 2 major number patches ago (2.2 and 2.1 in this case) we like too call it “necroposting” it just helps us keep things current and allows us to avoid confusion (don’t worry we don’t expect new comers to now immediately 
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as for the answer however here is a link to a post that goes over it all and should answer the question in detail Breaking down the DPS formula I hope you find what your looking for