Brave Reward reduced during payout

I had an estimated payout of 0.7+ BAT but after the end of the month , its only showing 0.64 BAT will processed . Its not the first time either , its been like this for the past couple of months . its just wasting my resource of hours of web browsing !!!

On brave://rewards/ you need Auto-Contribute set Off!
did you check it out?

Yah , it was turned off from the beginning .