-74.81% is the change from 663 to 167
Calculation steps:
[( 167 - 663 ) ÷ 663] x 100 = -74.81%
Formula
Percentage change = [(167 - 663) / 663] x 100
Subtract the new number by the original number
167 - 663 = -496
-496 ÷ 663 = -0.7481146304675717
-0.7481146304675717 x 100 = -74.81%