-97.57% is the change from 947 to 23
Calculation steps:
[( 23 - 947 ) ÷ 947] x 100 = -97.57%
Formula
Percentage change = [(23 - 947) / 947] x 100
Subtract the new number by the original number
23 - 947 = -924
-924 ÷ 947 = -0.9757127771911299
-0.9757127771911299 x 100 = -97.57%