No, not kinda. In the example you present, if 20% increased to 70% the appropriate description is either a 250% increase or a 50pp ("percentage point"[0]) incre

No, not kinda. In the example you present, if 20% increased to 70% the appropriate description is either a 250% increase or a 50pp ("percentage point"[0]) increase. [0]: https://en.wikipedia.org/wiki/Percentage_point https://en.wikipedia.org/wiki/Percentage_point