He means that Metagross usage is higher for checking Tornadus-T, while Keldeo usage is lower for losing to Tornadus-T.
Their percentile difference is too small to effectively analyze anyway.
(02:53:55) +shrang: sleep is epic
(16:14) .No Scrafty in UU.: CBtar?
(16:14) .No Scrafty in UU.: that sounds like a not bad set
(16:04:25) +Steamroll: nobody likes me
@Relados: snowflakes has no sense of humor