647.06% is the change from 68 to 508
Calculation steps:
[( 508 - 68 ) ÷ 68] x 100 = 647.06%
Formula
Percentage change = [(508 - 68) / 68] x 100
Subtract the new number by the original number
508 - 68 = 440
440 ÷ 68 = 6.470588235294118
6.470588235294118 x 100 = 647.06%