-97.62% is the change from 966 to 23
Calculation steps:
[( 23 - 966 ) ÷ 966] x 100 = -97.62%
Formula
Percentage change = [(23 - 966) / 966] x 100
Subtract the new number by the original number
23 - 966 = -943
-943 ÷ 966 = -0.9761904761904762
-0.9761904761904762 x 100 = -97.62%