Getting the percentage increase, we can form the formula or equation. Percentage increase = ($1.00 - $0.40) / $0.40 * 100 <span>Percentage increase = ($0.60) / $0.40 * 100 </span><span>Percentage increase = 1.5 * 100 </span><span>Percentage increase = 150% </span> So there is a 150% increase from the original price.