A number is increased by 14%, then decreased by 20% and then further increased by 35%. What is the net increase/decrease percent in the number?

23.12%

14% = \(\frac{7}{50}\) and 20% = \(\frac{1}{5}\) , 35% = \(\frac{7}{20}\)

ATQ, 

@14%⇑         50     :       57

@20%⇓         5       :       4

@35%⇑         20     :       27

                  —————————

Total effect   5000   :      6156

                    1250  :       1539  ⇒   Net increase by = 289

Increase percentage:  \(\frac{289}{1250}\) × 100 = 23.12%