-79.84% is the change from 769 to 155
Calculation steps:
[( 155 - 769 ) ÷ 769] x 100 = -79.84%
Formula
Percentage change = [(155 - 769) / 769] x 100
Subtract the new number by the original number
155 - 769 = -614
-614 ÷ 769 = -0.7984395318595578
-0.7984395318595578 x 100 = -79.84%