-51.52% is the change from 689 to 334
Calculation steps:
[( 334 - 689 ) ÷ 689] x 100 = -51.52%
Formula
Percentage change = [(334 - 689) / 689] x 100
Subtract the new number by the original number
334 - 689 = -355
-355 ÷ 689 = -0.5152394775036284
-0.5152394775036284 x 100 = -51.52%