-20.26% is the change from 913 to 728
Calculation steps:
[( 728 - 913 ) ÷ 913] x 100 = -20.26%
Formula
Percentage change = [(728 - 913) / 913] x 100
Subtract the new number by the original number
728 - 913 = -185
-185 ÷ 913 = -0.20262869660460023
-0.20262869660460023 x 100 = -20.26%