618.71% is the change from 139 to 999
Calculation steps:
[( 999 - 139 ) ÷ 139] x 100 = 618.71%
Formula
Percentage change = [(999 - 139) / 139] x 100
Subtract the new number by the original number
999 - 139 = 860
860 ÷ 139 = 6.18705035971223
6.18705035971223 x 100 = 618.71%