I'm so sorry to hear that, but that's pretty sketchy of them. I've noticed BetKing has a weird way of adjusting winning rates, might want to look into their terms and conditions before accusing unfair practice. Have you contacted their support yet?
Yikes, sorry to hear that dude, BetKing can be quite shady at times. Have you tried checking your account history and seeing if there's any suspicious activity? Maybe reach out to their support and see if they can help you resolve the issue.