102.44% is the change from 328 to 664
Calculation steps:
[( 664 - 328 ) ÷ 328] x 100 = 102.44%
Formula
Percentage change = [(664 - 328) / 328] x 100
Subtract the new number by the original number
664 - 328 = 336
336 ÷ 328 = 1.024390243902439
1.024390243902439 x 100 = 102.44%