-18.46% is the change from 845 to 689
Calculation steps:
[( 689 - 845 ) ÷ 845] x 100 = -18.46%
Formula
Percentage change = [(689 - 845) / 845] x 100
Subtract the new number by the original number
689 - 845 = -156
-156 ÷ 845 = -0.18461538461538463
-0.18461538461538463 x 100 = -18.46%