-88.79% is the change from 776 to 87
Calculation steps:
[( 87 - 776 ) ÷ 776] x 100 = -88.79%
Formula
Percentage change = [(87 - 776) / 776] x 100
Subtract the new number by the original number
87 - 776 = -689
-689 ÷ 776 = -0.8878865979381443
-0.8878865979381443 x 100 = -88.79%