554.9% is the change from 102 to 668
Calculation steps:
[( 668 - 102 ) ÷ 102] x 100 = 554.9%
Formula
Percentage change = [(668 - 102) / 102] x 100
Subtract the new number by the original number
668 - 102 = 566
566 ÷ 102 = 5.549019607843137
5.549019607843137 x 100 = 554.9%