34250% is the change from 2 to 687
Calculation steps:
[( 687 - 2 ) ÷ 2] x 100 = 34250%
Formula
Percentage change = [(687 - 2) / 2] x 100
Subtract the new number by the original number
687 - 2 = 685
685 ÷ 2 = 342.5
342.5 x 100 = 34250%
Example