-5.42% is the change from 923 to 873
Calculation steps:
[( 873 - 923 ) ÷ 923] x 100 = -5.42%
Formula
Percentage change = [(873 - 923) / 923] x 100
Subtract the new number by the original number
873 - 923 = -50
-50 ÷ 923 = -0.05417118093174431
-0.05417118093174431 x 100 = -5.42%