How did Halo Oglasi get +171% conversions while cutting cost per conversion by 47%?

https://www.livebinders.com/b/3716126?tabid=ed32142e-1692-9677-d6eb-a236efe403cb

In the digital landscape of 2024, seeing a 171 percent increase in conversions alongside a 47 percent cost per conversion reduction feels like a mathematical impossibility