November 2019 edit: MV Crush is now paid out at 90% for one year! Details: https://www.manyvids.com/Article/5461/MV-Crush-Club-Upgrades/
The exact percentage of your ManyVids payout will depend on the type of service/what function is being used to pay for it. These numbers do change from time to time, but they are recent as of September 2019!
Custom videos, tips (either sent through Make it Rain or FundMe), and
MV Crush are all paid out at 80%.
Videos from your store, contest votes, memberships, texting, video chat, and Store items are all paid out at 60%.
Exceptions for ManyVids Payout
Vid sales made while streaming on MV Live are paid out at 80% until September 23.
Vid sales made on my MV Anniversary (yearly anniversary from making your account) are paid out at 100%.
Sources for ManyVids Payout Percentages
https://www.manyvids.com/Article/4797/MV-Live-80-Vids-Payout/ (specifically for MV Live over the summer)
https://www.manyvids.com/Article/4281/80-Payout/ (specifically for custom videos)
https://www.manyvids.com/Article/4734/Fund-Me-80-Payout/ (specifically for Fund Me)
https://www.manyvids.com/Article/3421/MV-Crush-Offers-80-Payout/ (specifically for MV Crush)
https://www.manyvids.com/Article/4853/Celebrate-Your-MV-Anniversary/ (specifically for MV Anniversary)