-15.44% is the change from 855 to 723
Calculation steps:
[( 723 - 855 ) ÷ 855] x 100 = -15.44%
Formula
Percentage change = [(723 - 855) / 855] x 100
Subtract the new number by the original number
723 - 855 = -132
-132 ÷ 855 = -0.1543859649122807
-0.1543859649122807 x 100 = -15.44%