-75.26% is the change from 663 to 164
Calculation steps:
[( 164 - 663 ) ÷ 663] x 100 = -75.26%
Formula
Percentage change = [(164 - 663) / 663] x 100
Subtract the new number by the original number
164 - 663 = -499
-499 ÷ 663 = -0.7526395173453997
-0.7526395173453997 x 100 = -75.26%