-95.78% is the change from 688 to 29
Calculation steps:
[( 29 - 688 ) ÷ 688] x 100 = -95.78%
Formula
Percentage change = [(29 - 688) / 688] x 100
Subtract the new number by the original number
29 - 688 = -659
-659 ÷ 688 = -0.9578488372093024
-0.9578488372093024 x 100 = -95.78%