-72.7% is the change from 663 to 181
Calculation steps:
[( 181 - 663 ) ÷ 663] x 100 = -72.7%
Formula
Percentage change = [(181 - 663) / 663] x 100
Subtract the new number by the original number
181 - 663 = -482
-482 ÷ 663 = -0.726998491704374
-0.726998491704374 x 100 = -72.7%