68.9% is the change from 328 to 554
Calculation steps:
[( 554 - 328 ) ÷ 328] x 100 = 68.9%
Formula
Percentage change = [(554 - 328) / 328] x 100
Subtract the new number by the original number
554 - 328 = 226
226 ÷ 328 = 0.6890243902439024
0.6890243902439024 x 100 = 68.9%