How to Calculate the Change
Subtract the old value (150) from the new value (30), divide by the absolute value of the old value, and multiply by 100.
((30 - 150) ÷ 150) × 100 = 80%
This represents a 80% decrease
Subtract the old value (150) from the new value (30), divide by the absolute value of the old value, and multiply by 100.
((30 - 150) ÷ 150) × 100 = 80%
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