-88.95% is the change from 923 to 102
Calculation steps:
[( 102 - 923 ) ÷ 923] x 100 = -88.95%
Formula
Percentage change = [(102 - 923) / 923] x 100
Subtract the new number by the original number
102 - 923 = -821
-821 ÷ 923 = -0.8894907908992417
-0.8894907908992417 x 100 = -88.95%