-71.62% is the change from 680 to 193
Calculation steps:
[( 193 - 680 ) ÷ 680] x 100 = -71.62%
Formula
Percentage change = [(193 - 680) / 680] x 100
Subtract the new number by the original number
193 - 680 = -487
-487 ÷ 680 = -0.7161764705882353
-0.7161764705882353 x 100 = -71.62%