-97.07% is the change from 683 to 20
Calculation steps:
[( 20 - 683 ) ÷ 683] x 100 = -97.07%
Formula
Percentage change = [(20 - 683) / 683] x 100
Subtract the new number by the original number
20 - 683 = -663
-663 ÷ 683 = -0.9707174231332357
-0.9707174231332357 x 100 = -97.07%