-88.83% is the change from 779 to 87
Calculation steps:
[( 87 - 779 ) ÷ 779] x 100 = -88.83%
Formula
Percentage change = [(87 - 779) / 779] x 100
Subtract the new number by the original number
87 - 779 = -692
-692 ÷ 779 = -0.8883183568677792
-0.8883183568677792 x 100 = -88.83%