318.56% is the change from 97 to 406
Calculation steps:
[( 406 - 97 ) ÷ 97] x 100 = 318.56%
Formula
Percentage change = [(406 - 97) / 97] x 100
Subtract the new number by the original number
406 - 97 = 309
309 ÷ 97 = 3.185567010309278
3.185567010309278 x 100 = 318.56%