-66.92% is the change from 523 to 173
Calculation steps:
[( 173 - 523 ) ÷ 523] x 100 = -66.92%
Formula
Percentage change = [(173 - 523) / 523] x 100
Subtract the new number by the original number
173 - 523 = -350
-350 ÷ 523 = -0.6692160611854685
-0.6692160611854685 x 100 = -66.92%