-98.21% is the change from 728 to 13
Calculation steps:
[( 13 - 728 ) ÷ 728] x 100 = -98.21%
Formula
Percentage change = [(13 - 728) / 728] x 100
Subtract the new number by the original number
13 - 728 = -715
-715 ÷ 728 = -0.9821428571428571
-0.9821428571428571 x 100 = -98.21%