-81.63% is the change from 773 to 142
Calculation steps:
[( 142 - 773 ) ÷ 773] x 100 = -81.63%
Formula
Percentage change = [(142 - 773) / 773] x 100
Subtract the new number by the original number
142 - 773 = -631
-631 ÷ 773 = -0.8163001293661061
-0.8163001293661061 x 100 = -81.63%