470.59% is the change from 68 to 388
Calculation steps:
[( 388 - 68 ) ÷ 68] x 100 = 470.59%
Formula
Percentage change = [(388 - 68) / 68] x 100
Subtract the new number by the original number
388 - 68 = 320
320 ÷ 68 = 4.705882352941177
4.705882352941177 x 100 = 470.59%