-17.78% is the change from 523 to 430
Calculation steps:
[( 430 - 523 ) ÷ 523] x 100 = -17.78%
Formula
Percentage change = [(430 - 523) / 523] x 100
Subtract the new number by the original number
430 - 523 = -93
-93 ÷ 523 = -0.17782026768642448
-0.17782026768642448 x 100 = -17.78%