-95.19% is the change from 478 to 23
Calculation steps:
[( 23 - 478 ) ÷ 478] x 100 = -95.19%
Formula
Percentage change = [(23 - 478) / 478] x 100
Subtract the new number by the original number
23 - 478 = -455
-455 ÷ 478 = -0.9518828451882845
-0.9518828451882845 x 100 = -95.19%