-74.12% is the change from 680 to 176
Calculation steps:
[( 176 - 680 ) ÷ 680] x 100 = -74.12%
Formula
Percentage change = [(176 - 680) / 680] x 100
Subtract the new number by the original number
176 - 680 = -504
-504 ÷ 680 = -0.7411764705882353
-0.7411764705882353 x 100 = -74.12%