-87% is the change from 769 to 100
Calculation steps:
[( 100 - 769 ) ÷ 769] x 100 = -87%
Formula
Percentage change = [(100 - 769) / 769] x 100
Subtract the new number by the original number
100 - 769 = -669
-669 ÷ 769 = -0.8699609882964889
-0.8699609882964889 x 100 = -87%