def METHOD_NAME(rows, row, pct, col, val):
  if len(rows) <= row:
    assert len(rows) == row
    rows.append(["'%g%%'" % pct])
  while len(rows[row]) < 1+col:
    rows[row].append(rows[row-1][col])
  rows[row].append('%.1f' % val)
  #print '  now %s; row=%s' % (len(rows[row]), row)