-62.59% is the change from 663 to 248
Calculation steps:
[( 248 - 663 ) ÷ 663] x 100 = -62.59%
Formula
Percentage change = [(248 - 663) / 663] x 100
Subtract the new number by the original number
248 - 663 = -415
-415 ÷ 663 = -0.6259426847662142
-0.6259426847662142 x 100 = -62.59%