668.66% is the change from 67 to 515
Calculation steps:
[( 515 - 67 ) ÷ 67] x 100 = 668.66%
Formula
Percentage change = [(515 - 67) / 67] x 100
Subtract the new number by the original number
515 - 67 = 448
448 ÷ 67 = 6.686567164179104
6.686567164179104 x 100 = 668.66%