-99.27% is the change from 688 to 5
Calculation steps:
[( 5 - 688 ) ÷ 688] x 100 = -99.27%
Formula
Percentage change = [(5 - 688) / 688] x 100
Subtract the new number by the original number
5 - 688 = -683
-683 ÷ 688 = -0.9927325581395349
-0.9927325581395349 x 100 = -99.27%