-76.37% is the change from 728 to 172
Calculation steps:
[( 172 - 728 ) ÷ 728] x 100 = -76.37%
Formula
Percentage change = [(172 - 728) / 728] x 100
Subtract the new number by the original number
172 - 728 = -556
-556 ÷ 728 = -0.7637362637362637
-0.7637362637362637 x 100 = -76.37%