193.53% is the change from 340 to 998
Calculation steps:
[( 998 - 340 ) ÷ 340] x 100 = 193.53%
Formula
Percentage change = [(998 - 340) / 340] x 100
Subtract the new number by the original number
998 - 340 = 658
658 ÷ 340 = 1.9352941176470588
1.9352941176470588 x 100 = 193.53%