-61.69% is the change from 663 to 254
Calculation steps:
[( 254 - 663 ) ÷ 663] x 100 = -61.69%
Formula
Percentage change = [(254 - 663) / 663] x 100
Subtract the new number by the original number
254 - 663 = -409
-409 ÷ 663 = -0.6168929110105581
-0.6168929110105581 x 100 = -61.69%