-64.09% is the change from 685 to 246
Calculation steps:
[( 246 - 685 ) ÷ 685] x 100 = -64.09%
Formula
Percentage change = [(246 - 685) / 685] x 100
Subtract the new number by the original number
246 - 685 = -439
-439 ÷ 685 = -0.6408759124087591
-0.6408759124087591 x 100 = -64.09%