Plz help me with this plz

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays

Write the percent as a fraction or mixed number in simplest form. 0.8%

Answer this question i need as soon as possible