-96.66% is the change from 689 to 23
Calculation steps:
[( 23 - 689 ) ÷ 689] x 100 = -96.66%
Formula
Percentage change = [(23 - 689) / 689] x 100
Subtract the new number by the original number
23 - 689 = -666
-666 ÷ 689 = -0.9666182873730044
-0.9666182873730044 x 100 = -96.66%