68700% is the change from 1 to 688
Calculation steps:
[( 688 - 1 ) ÷ 1] x 100 = 68700%
Formula
Percentage change = [(688 - 1) / 1] x 100
Subtract the new number by the original number
688 - 1 = 687
687 ÷ 1 = 687
687 x 100 = 68700%
Example