100.59% is the change from 340 to 682
Calculation steps:
[( 682 - 340 ) ÷ 340] x 100 = 100.59%
Formula
Percentage change = [(682 - 340) / 340] x 100
Subtract the new number by the original number
682 - 340 = 342
342 ÷ 340 = 1.0058823529411764
1.0058823529411764 x 100 = 100.59%