-71.03% is the change from 680 to 197
Calculation steps:
[( 197 - 680 ) ÷ 680] x 100 = -71.03%
Formula
Percentage change = [(197 - 680) / 680] x 100
Subtract the new number by the original number
197 - 680 = -483
-483 ÷ 680 = -0.7102941176470589
-0.7102941176470589 x 100 = -71.03%