-95.28% is the change from 487 to 23
Calculation steps:
[( 23 - 487 ) ÷ 487] x 100 = -95.28%
Formula
Percentage change = [(23 - 487) / 487] x 100
Subtract the new number by the original number
23 - 487 = -464
-464 ÷ 487 = -0.9527720739219713
-0.9527720739219713 x 100 = -95.28%