-95.77% is the change from 686 to 29
Calculation steps:
[( 29 - 686 ) ÷ 686] x 100 = -95.77%
Formula
Percentage change = [(29 - 686) / 686] x 100
Subtract the new number by the original number
29 - 686 = -657
-657 ÷ 686 = -0.9577259475218659
-0.9577259475218659 x 100 = -95.77%