-85.27% is the change from 923 to 136
Calculation steps:
[( 136 - 923 ) ÷ 923] x 100 = -85.27%
Formula
Percentage change = [(136 - 923) / 923] x 100
Subtract the new number by the original number
136 - 923 = -787
-787 ÷ 923 = -0.8526543878656555
-0.8526543878656555 x 100 = -85.27%