320.62% is the change from 97 to 408
Calculation steps:
[( 408 - 97 ) ÷ 97] x 100 = 320.62%
Formula
Percentage change = [(408 - 97) / 97] x 100
Subtract the new number by the original number
408 - 97 = 311
311 ÷ 97 = 3.2061855670103094
3.2061855670103094 x 100 = 320.62%