252.94% is the change from 68 to 240
Calculation steps:
[( 240 - 68 ) ÷ 68] x 100 = 252.94%
Formula
Percentage change = [(240 - 68) / 68] x 100
Subtract the new number by the original number
240 - 68 = 172
172 ÷ 68 = 2.5294117647058822
2.5294117647058822 x 100 = 252.94%