-98.36% is the change from 793 to 13
Calculation steps:
[( 13 - 793 ) ÷ 793] x 100 = -98.36%
Formula
Percentage change = [(13 - 793) / 793] x 100
Subtract the new number by the original number
13 - 793 = -780
-780 ÷ 793 = -0.9836065573770492
-0.9836065573770492 x 100 = -98.36%