When you're under-guessing my performance my share % also decreases. There are never any changes in my console to substantiate these radical and frequent drops of performance. My submitted shares and hashrates remain consistent.
they're all listed on the main page.
Do you select the exchanges with the lowest value when converting???
Because I was mining CANN with X17 when both coins were the same value on Bittrex and getting a 2:1 conversion rate.