-15.82% is the change from 923 to 777
Calculation steps:
[( 777 - 923 ) ÷ 923] x 100 = -15.82%
Formula
Percentage change = [(777 - 923) / 923] x 100
Subtract the new number by the original number
777 - 923 = -146
-146 ÷ 923 = -0.1581798483206934
-0.1581798483206934 x 100 = -15.82%