32900% is the change from 2 to 660
Calculation steps:
[( 660 - 2 ) ÷ 2] x 100 = 32900%
Formula
Percentage change = [(660 - 2) / 2] x 100
Subtract the new number by the original number
660 - 2 = 658
658 ÷ 2 = 329
329 x 100 = 32900%
Example