4012.5% is the change from 8 to 329
Calculation steps:
[( 329 - 8 ) ÷ 8] x 100 = 4012.5%
Formula
Percentage change = [(329 - 8) / 8] x 100
Subtract the new number by the original number
329 - 8 = 321
321 ÷ 8 = 40.125
40.125 x 100 = 4012.5%
Example