Can u explain about Requirements for 'best %'?

Can u explain why my best % for 2bosses( Thaddius, Loatheb) are still 99?
https://classic.warcraftlogs.com/character/kr/로크홀라/nez

https://classic.warcraftlogs.com/zone/rankings/1006#boss=1120&class=Paladin&spec=Retribution
https://classic.warcraftlogs.com/zone/rankings/1006#boss=1115&class=Paladin&spec=Retribution

Should I keep up #1 during some hours?

Thanks for your efforts.

It solved. thanks.