-87.54% is the change from 923 to 115
Calculation steps:
[( 115 - 923 ) ÷ 923] x 100 = -87.54%
Formula
Percentage change = [(115 - 923) / 923] x 100
Subtract the new number by the original number
115 - 923 = -808
-808 ÷ 923 = -0.875406283856988
-0.875406283856988 x 100 = -87.54%