-97.6% is the change from 959 to 23
Calculation steps:
[( 23 - 959 ) ÷ 959] x 100 = -97.6%
Formula
Percentage change = [(23 - 959) / 959] x 100
Subtract the new number by the original number
23 - 959 = -936
-936 ÷ 959 = -0.9760166840458812
-0.9760166840458812 x 100 = -97.6%