83.21% is the change from 405 to 742
Calculation steps:
[( 742 - 405 ) ÷ 405] x 100 = 83.21%
Formula
Percentage change = [(742 - 405) / 405] x 100
Subtract the new number by the original number
742 - 405 = 337
337 ÷ 405 = 0.8320987654320988
0.8320987654320988 x 100 = 83.21%