-54.9% is the change from 663 to 299
Calculation steps:
[( 299 - 663 ) ÷ 663] x 100 = -54.9%
Formula
Percentage change = [(299 - 663) / 663] x 100
Subtract the new number by the original number
299 - 663 = -364
-364 ÷ 663 = -0.5490196078431373
-0.5490196078431373 x 100 = -54.9%