-16.9% is the change from 923 to 767
Calculation steps:
[( 767 - 923 ) ÷ 923] x 100 = -16.9%
Formula
Percentage change = [(767 - 923) / 923] x 100
Subtract the new number by the original number
767 - 923 = -156
-156 ÷ 923 = -0.16901408450704225
-0.16901408450704225 x 100 = -16.9%