-63.01% is the change from 665 to 246
Calculation steps:
[( 246 - 665 ) ÷ 665] x 100 = -63.01%
Formula
Percentage change = [(246 - 665) / 665] x 100
Subtract the new number by the original number
246 - 665 = -419
-419 ÷ 665 = -0.6300751879699248
-0.6300751879699248 x 100 = -63.01%