-90.56% is the change from 773 to 73
Calculation steps:
[( 73 - 773 ) ÷ 773] x 100 = -90.56%
Formula
Percentage change = [(73 - 773) / 773] x 100
Subtract the new number by the original number
73 - 773 = -700
-700 ÷ 773 = -0.9055627425614489
-0.9055627425614489 x 100 = -90.56%