Calculate the conversion rate (Add to Cart to Purchase) to optimize revenue from the PickyStory app. Follow the formula below to calculate the conversion rate for the PickyStory app:

Divide the total number of Purchases (from PickyStory only) by the total number of Add to Carts (from PickyStory only).

**How to calculate the conversion rate for the PickyStory app**

### General formula

### Example

### Assumptions

- Total number of Add to Carts - 4352
- Total number of Purchases - 537