317.53% is the change from 97 to 405
Calculation steps:
[( 405 - 97 ) ÷ 97] x 100 = 317.53%
Formula
Percentage change = [(405 - 97) / 97] x 100
Subtract the new number by the original number
405 - 97 = 308
308 ÷ 97 = 3.1752577319587627
3.1752577319587627 x 100 = 317.53%