97.56% is the change from 205 to 405
Calculation steps:
[( 405 - 205 ) ÷ 205] x 100 = 97.56%
Formula
Percentage change = [(405 - 205) / 205] x 100
Subtract the new number by the original number
405 - 205 = 200
200 ÷ 205 = 0.975609756097561
0.975609756097561 x 100 = 97.56%