497.06% is the change from 68 to 406
Calculation steps:
[( 406 - 68 ) ÷ 68] x 100 = 497.06%
Formula
Percentage change = [(406 - 68) / 68] x 100
Subtract the new number by the original number
406 - 68 = 338
338 ÷ 68 = 4.970588235294118
4.970588235294118 x 100 = 497.06%