-34.78% is the change from 923 to 602
Calculation steps:
[( 602 - 923 ) ÷ 923] x 100 = -34.78%
Formula
Percentage change = [(602 - 923) / 923] x 100
Subtract the new number by the original number
602 - 923 = -321
-321 ÷ 923 = -0.3477789815817985
-0.3477789815817985 x 100 = -34.78%