320.51% is the change from 78 to 328
Calculation steps:
[( 328 - 78 ) ÷ 78] x 100 = 320.51%
Formula
Percentage change = [(328 - 78) / 78] x 100
Subtract the new number by the original number
328 - 78 = 250
250 ÷ 78 = 3.2051282051282053
3.2051282051282053 x 100 = 320.51%