-79.82% is the change from 773 to 156
Calculation steps:
[( 156 - 773 ) ÷ 773] x 100 = -79.82%
Formula
Percentage change = [(156 - 773) / 773] x 100
Subtract the new number by the original number
156 - 773 = -617
-617 ÷ 773 = -0.7981888745148771
-0.7981888745148771 x 100 = -79.82%