Click Through Rate (CTR) = (Number of Clicks ÷ Number of Impressions) × 100
Count the total number of clicks
Count the total number of impressions
Divide clicks by impressions
Multiply the result by 100 to get a percentage
Example: 50 clicks ÷ 1,000 impressions = 0.05
Example: 0.05 × 100 = 5% CTR