660.29% is the change from 68 to 517
Calculation steps:
[( 517 - 68 ) ÷ 68] x 100 = 660.29%
Formula
Percentage change = [(517 - 68) / 68] x 100
Subtract the new number by the original number
517 - 68 = 449
449 ÷ 68 = 6.602941176470588
6.602941176470588 x 100 = 660.29%