-63.34% is the change from 671 to 246
Calculation steps:
[( 246 - 671 ) ÷ 671] x 100 = -63.34%
Formula
Percentage change = [(246 - 671) / 671] x 100
Subtract the new number by the original number
246 - 671 = -425
-425 ÷ 671 = -0.6333830104321908
-0.6333830104321908 x 100 = -63.34%