Original: 78

New: 125

Since the new amount is greater than the original, this is a percent of increase.

The amount of change = New Amount – Original Amount.

The amount of change = .

Let r be the percentage of increase.

Use the original number, 78 as the base.

The percent proportion is

To solve for r, first find the cross products.

Divide each side by 78.

The percentage of increase is above 60%.

The percent of change is a percent of incease.The percentage of increase is above 60%.