-60.47% is the change from 678 to 268
Calculation steps:
[( 268 - 678 ) ÷ 678] x 100 = -60.47%
Formula
Percentage change = [(268 - 678) / 678] x 100
Subtract the new number by the original number
268 - 678 = -410
-410 ÷ 678 = -0.6047197640117994
-0.6047197640117994 x 100 = -60.47%