-32.58% is the change from 663 to 447
Calculation steps:
[( 447 - 663 ) ÷ 663] x 100 = -32.58%
Formula
Percentage change = [(447 - 663) / 663] x 100
Subtract the new number by the original number
447 - 663 = -216
-216 ÷ 663 = -0.3257918552036199
-0.3257918552036199 x 100 = -32.58%