319.42% is the change from 206 to 864
Calculation steps:
[( 864 - 206 ) ÷ 206] x 100 = 319.42%
Formula
Percentage change = [(864 - 206) / 206] x 100
Subtract the new number by the original number
864 - 206 = 658
658 ÷ 206 = 3.1941747572815533
3.1941747572815533 x 100 = 319.42%