To find the increase or decrease in percent there are two methods.
1. Calculate the percentage of the given value then add or subtract it to the original value.
Example
If the price of the refrigerator was Rs 50000 last year and it increases by 20 % this year. Then what is its price now?
Solution
Current Value = Original Value + Increased Price
2. Unitary Method
As we know that 20% increase means 100 Rs. will increase to 120 Rs.
So 50000 will increase to