Pfizer claimed that their vaccine was 95 per cent effective.
The Lancet: “Even without the vaccine, the risk of contracting COVID-19 was extremely low, at 0.88%, which the vaccine then reduced to 0.04%. So the net benefit, the absolute risk reduction, that you are being offered in the Pfizer vaccine in 0.84%.”
www.thelancet.com/journals/lanmic/article/PIIS2666-5247(21)00069-0/fulltext