-62.84% is the change from 689 to 256
Calculation steps:
[( 256 - 689 ) ÷ 689] x 100 = -62.84%
Formula
Percentage change = [(256 - 689) / 689] x 100
Subtract the new number by the original number
256 - 689 = -433
-433 ÷ 689 = -0.6284470246734397
-0.6284470246734397 x 100 = -62.84%