116.79% is the change from 399 to 865
Calculation steps:
[( 865 - 399 ) ÷ 399] x 100 = 116.79%
Formula
Percentage change = [(865 - 399) / 399] x 100
Subtract the new number by the original number
865 - 399 = 466
466 ÷ 399 = 1.167919799498747
1.167919799498747 x 100 = 116.79%