The document Important Formula: Percentages Notes | EduRev is a part of the CAT Course Quantitative Aptitude (Quant).

All you need of CAT at this link: CAT

**Percentages**

Fractions and their percentage equivalents:**EduRev's Tip: **

- r% change can be nullified by (100r/100 + r)% change in another direction. Eg: An increase of 25% in prices can be nullified by a reduction of [100 x 25/(100 + 25)] = 20% reduction in consumption.
- If a number ‘x’ is successively changed by a%, b%, c%...

⇒ Final value = - The net change after two successive changes of a% and b% is

Offer running on EduRev: __Apply code STAYHOME200__ to get INR 200 off on our premium plan EduRev Infinity!

116 videos|131 docs|131 tests