298.54% is the change from 205 to 817
Calculation steps:
[( 817 - 205 ) ÷ 205] x 100 = 298.54%
Formula
Percentage change = [(817 - 205) / 205] x 100
Subtract the new number by the original number
817 - 205 = 612
612 ÷ 205 = 2.9853658536585366
2.9853658536585366 x 100 = 298.54%