-51.06% is the change from 47 to 23
Calculation steps:
[( 23 - 47 ) ÷ 47] x 100 = -51.06%
Formula
Percentage change = [(23 - 47) / 47] x 100
Subtract the new number by the original number
23 - 47 = -24
-24 ÷ 47 = -0.5106382978723404
-0.5106382978723404 x 100 = -51.06%