-80.6% is the change from 773 to 150
Calculation steps:
[( 150 - 773 ) ÷ 773] x 100 = -80.6%
Formula
Percentage change = [(150 - 773) / 773] x 100
Subtract the new number by the original number
150 - 773 = -623
-623 ÷ 773 = -0.8059508408796895
-0.8059508408796895 x 100 = -80.6%