-69.68% is the change from 663 to 201
Calculation steps:
[( 201 - 663 ) ÷ 663] x 100 = -69.68%
Formula
Percentage change = [(201 - 663) / 663] x 100
Subtract the new number by the original number
201 - 663 = -462
-462 ÷ 663 = -0.6968325791855203
-0.6968325791855203 x 100 = -69.68%