-67.66% is the change from 504 to 163
Calculation steps:
[( 163 - 504 ) ÷ 504] x 100 = -67.66%
Formula
Percentage change = [(163 - 504) / 504] x 100
Subtract the new number by the original number
163 - 504 = -341
-341 ÷ 504 = -0.6765873015873016
-0.6765873015873016 x 100 = -67.66%