33300% is the change from 2 to 668
Calculation steps:
[( 668 - 2 ) ÷ 2] x 100 = 33300%
Formula
Percentage change = [(668 - 2) / 2] x 100
Subtract the new number by the original number
668 - 2 = 666
666 ÷ 2 = 333
333 x 100 = 33300%
Example