-62.78% is the change from 661 to 246
Calculation steps:
[( 246 - 661 ) ÷ 661] x 100 = -62.78%
Formula
Percentage change = [(246 - 661) / 661] x 100
Subtract the new number by the original number
246 - 661 = -415
-415 ÷ 661 = -0.6278366111951589
-0.6278366111951589 x 100 = -62.78%