83.7% is the change from 405 to 744
Calculation steps:
[( 744 - 405 ) ÷ 405] x 100 = 83.7%
Formula
Percentage change = [(744 - 405) / 405] x 100
Subtract the new number by the original number
744 - 405 = 339
339 ÷ 405 = 0.837037037037037
0.837037037037037 x 100 = 83.7%