-85.37% is the change from 923 to 135
Calculation steps:
[( 135 - 923 ) ÷ 923] x 100 = -85.37%
Formula
Percentage change = [(135 - 923) / 923] x 100
Subtract the new number by the original number
135 - 923 = -788
-788 ÷ 923 = -0.8537378114842904
-0.8537378114842904 x 100 = -85.37%