123.99% is the change from 321 to 719
Calculation steps:
[( 719 - 321 ) ÷ 321] x 100 = 123.99%
Formula
Percentage change = [(719 - 321) / 321] x 100
Subtract the new number by the original number
719 - 321 = 398
398 ÷ 321 = 1.2398753894080996
1.2398753894080996 x 100 = 123.99%