Why my You Tube revenue Decreasing day by day | Monetized Channel

I check my analytic for my revenue and it looks like that some of my revenue was lost.Why my revenue cut ut in fifty percent like it decreasing everyday .
I didn't do anything and I follow all the rules of Youtube Community.

Please if you have any idea please let us know and join with us in our Live stream and we still promoting your channel.

This is really insane it make me sad because I work hard to reach the revenue and you guys help me out too.

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