Its scares me when coins mint high percentage like this, if a real world currency did this it can ruin an economy. What does burn the coins mean?
Economies can print more money or really they are inclreasing the money supply.
A Proof of Stake currency is generated through interest, not printing or mining. The high interest rate means how fast the money supply is able to grow, but this is based on many factors such as how many wallets are staking, and the amount in each wallet.
Crypto currency is not a direct replacement for regular mintable currency. Each can be designed for a certain type of economy.
There are many toilet-papers sorry white papers written on these ideals by people with lots of letters after their names.