193.82% is the change from 340 to 999
Calculation steps:
[( 999 - 340 ) ÷ 340] x 100 = 193.82%
Formula
Percentage change = [(999 - 340) / 340] x 100
Subtract the new number by the original number
999 - 340 = 659
659 ÷ 340 = 1.938235294117647
1.938235294117647 x 100 = 193.82%