-46.61% is the change from 663 to 354
Calculation steps:
[( 354 - 663 ) ÷ 663] x 100 = -46.61%
Formula
Percentage change = [(354 - 663) / 663] x 100
Subtract the new number by the original number
354 - 663 = -309
-309 ÷ 663 = -0.4660633484162896
-0.4660633484162896 x 100 = -46.61%