-98.32% is the change from 773 to 13
Calculation steps:
[( 13 - 773 ) ÷ 773] x 100 = -98.32%
Formula
Percentage change = [(13 - 773) / 773] x 100
Subtract the new number by the original number
13 - 773 = -760
-760 ÷ 773 = -0.9831824062095731
-0.9831824062095731 x 100 = -98.32%