According to the Periodic Labour Force Survey, informal employment was 236 million in 2011-12 and rose to 280 million in 2020-21. What is the percentage increase in informal employment over this period?
Answer
18.64% increase
The correct answer is 18.64% increase — Round off to two decimal places to get 18.64%.
Step-by-step solution
- Write down the initial value (I) = 236 million and the final value (F) = 280 million.
- Calculate the absolute increase: Δ = F - I = 280 - 236 = 44 million.
- Find the percentage increase using the formula: % increase = (Δ / I) × 100.
- Substitute the numbers: (44 / 236) × 100 = 0.18644 × 100 = 18.644%.
- Round off to two decimal places to get 18.64%.
Common mistake: Using the final value as the denominator instead of the initial value.
Concept tested: Percentage change in employment
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