"98.5 % of this light has been blocked" was achieved using a theatrical spotlight which has been permanently modified by installing a laser-cut 'gobo' that blocks all but 1.5% of the light. The light that is not blocked projects the text "98.5% of this light has been blocked" on the wall.  The work was made in and refers to a context of intense censorship and self-censorship in the period leading up to the death of King Bhumiphol in Thailand