The value of CryptoEHL $($the cryptocurrency of EHL$)$ went up in $2021$ by $34\%,$ then lost $35\%$ in $2022.$ How much should the percentage growth rate in $2023$ be in order for CryptoEHL to keep its same initial value $($i$.$e$.$ same value at the end of $2023$ than at the beginning of $2021)?($Give your answer in percentage, without the $\%$ sign, and round it to $2$ digits after the decimal point$).$