67900% is the change from 1 to 680
Calculation steps:
[( 680 - 1 ) ÷ 1] x 100 = 67900%
Formula
Percentage change = [(680 - 1) / 1] x 100
Subtract the new number by the original number
680 - 1 = 679
679 ÷ 1 = 679
679 x 100 = 67900%
Example