156.25% is the change from 128 to 328
Calculation steps:
[( 328 - 128 ) ÷ 128] x 100 = 156.25%
Formula
Percentage change = [(328 - 128) / 128] x 100
Subtract the new number by the original number
328 - 128 = 200
200 ÷ 128 = 1.5625
1.5625 x 100 = 156.25%