-79.84% is the change from 774 to 156
Calculation steps:
[( 156 - 774 ) ÷ 774] x 100 = -79.84%
Formula
Percentage change = [(156 - 774) / 774] x 100
Subtract the new number by the original number
156 - 774 = -618
-618 ÷ 774 = -0.7984496124031008
-0.7984496124031008 x 100 = -79.84%