-74.31% is the change from 685 to 176
Calculation steps:
[( 176 - 685 ) ÷ 685] x 100 = -74.31%
Formula
Percentage change = [(176 - 685) / 685] x 100
Subtract the new number by the original number
176 - 685 = -509
-509 ÷ 685 = -0.743065693430657
-0.743065693430657 x 100 = -74.31%