84.13% is the change from 397 to 731
Calculation steps:
[( 731 - 397 ) ÷ 397] x 100 = 84.13%
Formula
Percentage change = [(731 - 397) / 397] x 100
Subtract the new number by the original number
731 - 397 = 334
334 ÷ 397 = 0.8413098236775819
0.8413098236775819 x 100 = 84.13%