-2.17% is the change from 923 to 903
Calculation steps:
[( 903 - 923 ) ÷ 923] x 100 = -2.17%
Formula
Percentage change = [(903 - 923) / 923] x 100
Subtract the new number by the original number
903 - 923 = -20
-20 ÷ 923 = -0.021668472372697724
-0.021668472372697724 x 100 = -2.17%