100% is the change from 341 to 682
Calculation steps:
[( 682 - 341 ) ÷ 341] x 100 = 100%
Formula
Percentage change = [(682 - 341) / 341] x 100
Subtract the new number by the original number
682 - 341 = 341
341 ÷ 341 = 1
1 x 100 = 100%
Example