Understand the idea
A percentage gain needed to recover a loss is measured from the smaller remaining amount. Equal percentage losses and gains do not cancel.
Understand loss recovery arithmetic
A percentage gain needed to recover a loss is measured from the smaller remaining amount. Equal percentage losses and gains do not cancel.
Inside this edition
One topic. 3 useful perspectives.
3 sections
Context
Put it into practice
Start with 100 units, lose 20% to reach 80, then calculate that gaining 20 units from 80 requires a 25% increase.
Know the limits
This arithmetic describes a balance change; it does not provide a strategy for achieving that increase.
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