How to Calculate the Change
Subtract the old value (80) from the new value (90), divide by the absolute value of the old value, and multiply by 100.
((90 - 80) ÷ 80) × 100 = 12.5%
This represents a 12.5% increase
Subtract the old value (80) from the new value (90), divide by the absolute value of the old value, and multiply by 100.
((90 - 80) ÷ 80) × 100 = 12.5%
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