149.09% is the change from 328 to 817
Calculation steps:
[( 817 - 328 ) ÷ 328] x 100 = 149.09%
Formula
Percentage change = [(817 - 328) / 328] x 100
Subtract the new number by the original number
817 - 328 = 489
489 ÷ 328 = 1.4908536585365855
1.4908536585365855 x 100 = 149.09%