-96.58% is the change from 672 to 23
Calculation steps:
[( 23 - 672 ) ÷ 672] x 100 = -96.58%
Formula
Percentage change = [(23 - 672) / 672] x 100
Subtract the new number by the original number
23 - 672 = -649
-649 ÷ 672 = -0.9657738095238095
-0.9657738095238095 x 100 = -96.58%