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13 cards from this deck
Original amount before % change
100%−decrease%100\% - \text{decrease}\%100%−decrease%, convert to decimal
100%+increase%100\% + \text{increase}\%100%+increase%, convert to decimal
0.80.80.8
1.051.051.05
0.60.60.6
0.850.850.85
1.081.081.08
1.11.11.1
Divide final amount by multiplier
Work forwards: original ×\times× multiplier = final
Identify if increase or decrease
Divide by 100 to get decimal
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