Actually my sql is like this
select r.PRIM_TIMBER_TYPE ptt,
tt.TIMBER_TEXT ptx,
count(r.RECON_ID),
sum(r.ACRES_AMT) Acres,
TO_CHAR(sum(r.ACRES_AMT)/TO_NUMBER(:P53_RECON_ACRES,'999999999')*100,'990.99') P,
TO_CHAR(sum(r.ACRES_AMT)/TO_NUMBER(:P53_FORESTED_ACRES,'999999999')*100,'990.99') P2...