-96.62% is the change from 680 to 23
Calculation steps:
[( 23 - 680 ) ÷ 680] x 100 = -96.62%
Formula
Percentage change = [(23 - 680) / 680] x 100
Subtract the new number by the original number
23 - 680 = -657
-657 ÷ 680 = -0.9661764705882353
-0.9661764705882353 x 100 = -96.62%