-25.69% is the change from 689 to 512
Calculation steps:
[( 512 - 689 ) ÷ 689] x 100 = -25.69%
Formula
Percentage change = [(512 - 689) / 689] x 100
Subtract the new number by the original number
512 - 689 = -177
-177 ÷ 689 = -0.25689404934687954
-0.25689404934687954 x 100 = -25.69%