On the campaign list click on the three dots against the campaign name. A dropdown will appear.

https://lh5.googleusercontent.com/WI7pCO5sKRfkZJ10UBFYVQdkw_j0gwa0JnWtlP9ZU1aZYVPqQFwFiUs6YbNtLacbADZQLHeHMsBWW3dxmHp8Bs0kSyNr804hzQ1LGQC-M_UCHgS8otvwX2UZ955vtHWD7GLd6LkTsZ-JN28FeAMgywk

On the dropdown click on the ‘Performance’ option.

By clicking on the performance option you will be redirected to the campaign performance page.

https://lh5.googleusercontent.com/B87dl5Et5-YcdNlIsP0tlhy56EfJE93l8o4lBb-b9xJrNZHvtAnVAlPFbHbHEGuq0lXNB3Tu6yx1TRxjL2n_UR0medyugWAocdF6M6pYrpfbeUSa-ojNJ6gBLWIY4NuaBkXbR4zM-3ujwNxd1OZE4eA

Here on the performance page you will be able to see the stats of the campaign in graphs, lists and percentages.