-85.07% is the change from 958 to 143
Calculation steps:
[( 143 - 958 ) ÷ 958] x 100 = -85.07%
Formula
Percentage change = [(143 - 958) / 958] x 100
Subtract the new number by the original number
143 - 958 = -815
-815 ÷ 958 = -0.8507306889352818
-0.8507306889352818 x 100 = -85.07%