My income has gone down by 10 percent.
Shūnyū ga ichi zero pa-sento hetta.
income; receipts; revenue
indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
one; best; first; foremost; beginning; start; bottom string (on a shamisen, etc.)
circle (sometimes used for zero); 'correct' (when marking); symbol used as a placeholder (either because a number of other words could be used in that position, or because of censorship); period; full stop; maru mark; semivoiced sound; p-sound
to decrease (in size or number); to diminish; to abate