-95.6% is the change from 523 to 23
Calculation steps:
[( 23 - 523 ) ÷ 523] x 100 = -95.6%
Formula
Percentage change = [(23 - 523) / 523] x 100
Subtract the new number by the original number
23 - 523 = -500
-500 ÷ 523 = -0.9560229445506692
-0.9560229445506692 x 100 = -95.6%