-10.52% is the change from 770 to 689
Calculation steps:
[( 689 - 770 ) ÷ 770] x 100 = -10.52%
Formula
Percentage change = [(689 - 770) / 770] x 100
Subtract the new number by the original number
689 - 770 = -81
-81 ÷ 770 = -0.10519480519480519
-0.10519480519480519 x 100 = -10.52%