121.95% is the change from 328 to 728
Calculation steps:
[( 728 - 328 ) ÷ 328] x 100 = 121.95%
Formula
Percentage change = [(728 - 328) / 328] x 100
Subtract the new number by the original number
728 - 328 = 400
400 ÷ 328 = 1.2195121951219512
1.2195121951219512 x 100 = 121.95%