-45.61% is the change from 923 to 502
Calculation steps:
[( 502 - 923 ) ÷ 923] x 100 = -45.61%
Formula
Percentage change = [(502 - 923) / 923] x 100
Subtract the new number by the original number
502 - 923 = -421
-421 ÷ 923 = -0.4561213434452871
-0.4561213434452871 x 100 = -45.61%