-40.52% is the change from 923 to 549
Calculation steps:
[( 549 - 923 ) ÷ 923] x 100 = -40.52%
Formula
Percentage change = [(549 - 923) / 923] x 100
Subtract the new number by the original number
549 - 923 = -374
-374 ÷ 923 = -0.40520043336944744
-0.40520043336944744 x 100 = -40.52%