Method and definitions
Delivered = sent − bounced. Open rate = unique tracked opens ÷ delivered × 100; click rate = unique clickers ÷ delivered × 100; CTOR = clickers ÷ openers × 100; bounce rate = bounced ÷ sent × 100; growth = (new − lost) ÷ starting list × 100.
Tracked opens can be distorted by privacy protections and scanners. Clickers and openers are independently bounded by delivered emails; clicks may exceed tracked opens. CTOR is undefined when opens are zero and may exceed 100% due to tracking differences. Your reference is user-supplied, not an industry benchmark.