321.88% is the change from 96 to 405
Calculation steps:
[( 405 - 96 ) ÷ 96] x 100 = 321.88%
Formula
Percentage change = [(405 - 96) / 96] x 100
Subtract the new number by the original number
405 - 96 = 309
309 ÷ 96 = 3.21875
3.21875 x 100 = 321.88%
Example