-75.18% is the change from 689 to 171
Calculation steps:
[( 171 - 689 ) ÷ 689] x 100 = -75.18%
Formula
Percentage change = [(171 - 689) / 689] x 100
Subtract the new number by the original number
171 - 689 = -518
-518 ÷ 689 = -0.7518142235123367
-0.7518142235123367 x 100 = -75.18%