Harish invested a sum of 500000 in a business. After one year, the money he invested gave a return in a specific sequence and provided him with a substantial return over the years. Complete the given sequence of returns.
29.9\(\%\), 44.8\(\%\), 59.7\(\%\), 74.6\(\%\), \(\%\), \(\%\), \(\%\)