Percentage calculator

Question

https://sololearn.com/compiler-playground/Wo9DVDYSj4lg/?ref=app

Answer 1

It looks like you're trying to write a question but don't quite have a question.
Can you read these and update everything, then someone can help you:

https://www.sololearn.com/discuss/3021159/?ref=app
https://sololearn.com/compiler-playground/Wek0V1MyIR2r/?ref=app
https://sololearn.com/compiler-playground/W3uiji9X28C1/?ref=app
https://sololearn.com/compiler-playground/W0uW3Wks8UBk/?ref=app