-84.51% is the change from 923 to 143
Calculation steps:
[( 143 - 923 ) ÷ 923] x 100 = -84.51%
Formula
Percentage change = [(143 - 923) / 923] x 100
Subtract the new number by the original number
143 - 923 = -780
-780 ÷ 923 = -0.8450704225352113
-0.8450704225352113 x 100 = -84.51%