398.51% is the change from 67 to 334
Calculation steps:
[( 334 - 67 ) ÷ 67] x 100 = 398.51%
Formula
Percentage change = [(334 - 67) / 67] x 100
Subtract the new number by the original number
334 - 67 = 267
267 ÷ 67 = 3.985074626865672
3.985074626865672 x 100 = 398.51%