-21.34% is the change from 923 to 726
Calculation steps:
[( 726 - 923 ) ÷ 923] x 100 = -21.34%
Formula
Percentage change = [(726 - 923) / 923] x 100
Subtract the new number by the original number
726 - 923 = -197
-197 ÷ 923 = -0.2134344528710726
-0.2134344528710726 x 100 = -21.34%