Withdraw liquidity slide bar slightly disfunctional

The slidebar for withdraw liquidity works, but when I hold it and want to go to zero, sometimes it goes to 0%, sometimes at 7%, sometimes 8% sometimes 10% sometimes at 12% and so on.. You can see below that the bar is rested at 0% for example, but the number is showing as 12%

Likewise, when I want to remove everything and take it to 100% sometimes it stops at 100% other times it doesn't.