97.87% is the change from 328 to 649
Calculation steps:
[( 649 - 328 ) ÷ 328] x 100 = 97.87%
Formula
Percentage change = [(649 - 328) / 328] x 100
Subtract the new number by the original number
649 - 328 = 321
321 ÷ 328 = 0.9786585365853658
0.9786585365853658 x 100 = 97.87%