-79.32% is the change from 769 to 159
Calculation steps:
[( 159 - 769 ) ÷ 769] x 100 = -79.32%
Formula
Percentage change = [(159 - 769) / 769] x 100
Subtract the new number by the original number
159 - 769 = -610
-610 ÷ 769 = -0.7932379713914174
-0.7932379713914174 x 100 = -79.32%