-15.06% is the change from 923 to 784
Calculation steps:
[( 784 - 923 ) ÷ 923] x 100 = -15.06%
Formula
Percentage change = [(784 - 923) / 923] x 100
Subtract the new number by the original number
784 - 923 = -139
-139 ÷ 923 = -0.15059588299024917
-0.15059588299024917 x 100 = -15.06%