-95.2% is the change from 479 to 23
Calculation steps:
[( 23 - 479 ) ÷ 479] x 100 = -95.2%
Formula
Percentage change = [(23 - 479) / 479] x 100
Subtract the new number by the original number
23 - 479 = -456
-456 ÷ 479 = -0.9519832985386222
-0.9519832985386222 x 100 = -95.2%