128.66% is the change from 321 to 734
Calculation steps:
[( 734 - 321 ) ÷ 321] x 100 = 128.66%
Formula
Percentage change = [(734 - 321) / 321] x 100
Subtract the new number by the original number
734 - 321 = 413
413 ÷ 321 = 1.2866043613707165
1.2866043613707165 x 100 = 128.66%