-24.38% is the change from 689 to 521
Calculation steps:
[( 521 - 689 ) ÷ 689] x 100 = -24.38%
Formula
Percentage change = [(521 - 689) / 689] x 100
Subtract the new number by the original number
521 - 689 = -168
-168 ÷ 689 = -0.24383164005805516
-0.24383164005805516 x 100 = -24.38%