-82.88% is the change from 923 to 158
Calculation steps:
[( 158 - 923 ) ÷ 923] x 100 = -82.88%
Formula
Percentage change = [(158 - 923) / 923] x 100
Subtract the new number by the original number
158 - 923 = -765
-765 ÷ 923 = -0.828819068255688
-0.828819068255688 x 100 = -82.88%