-42.8% is the change from 923 to 528
Calculation steps:
[( 528 - 923 ) ÷ 923] x 100 = -42.8%
Formula
Percentage change = [(528 - 923) / 923] x 100
Subtract the new number by the original number
528 - 923 = -395
-395 ÷ 923 = -0.4279523293607801
-0.4279523293607801 x 100 = -42.8%