860.58% is the change from 104 to 999
Calculation steps:
[( 999 - 104 ) ÷ 104] x 100 = 860.58%
Formula
Percentage change = [(999 - 104) / 104] x 100
Subtract the new number by the original number
999 - 104 = 895
895 ÷ 104 = 8.60576923076923
8.60576923076923 x 100 = 860.58%