83.5% is the change from 394 to 723
Calculation steps:
[( 723 - 394 ) ÷ 394] x 100 = 83.5%
Formula
Percentage change = [(723 - 394) / 394] x 100
Subtract the new number by the original number
723 - 394 = 329
329 ÷ 394 = 0.8350253807106599
0.8350253807106599 x 100 = 83.5%