-37.38% is the change from 923 to 578
Calculation steps:
[( 578 - 923 ) ÷ 923] x 100 = -37.38%
Formula
Percentage change = [(578 - 923) / 923] x 100
Subtract the new number by the original number
578 - 923 = -345
-345 ÷ 923 = -0.37378114842903576
-0.37378114842903576 x 100 = -37.38%