32300% is the change from 2 to 648
Calculation steps:
[( 648 - 2 ) ÷ 2] x 100 = 32300%
Formula
Percentage change = [(648 - 2) / 2] x 100
Subtract the new number by the original number
648 - 2 = 646
646 ÷ 2 = 323
323 x 100 = 32300%
Example