67.99% is the change from 328 to 551
Calculation steps:
[( 551 - 328 ) ÷ 328] x 100 = 67.99%
Formula
Percentage change = [(551 - 328) / 328] x 100
Subtract the new number by the original number
551 - 328 = 223
223 ÷ 328 = 0.6798780487804879
0.6798780487804879 x 100 = 67.99%