How to Calculate the Change
Subtract the old value (100) from the new value (30), divide by the absolute value of the old value, and multiply by 100.
((30 - 100) ÷ 100) × 100 = 70%
This represents a 70% decrease
Subtract the old value (100) from the new value (30), divide by the absolute value of the old value, and multiply by 100.
((30 - 100) ÷ 100) × 100 = 70%
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