-85.42% is the change from 981 to 143
Calculation steps:
[( 143 - 981 ) ÷ 981] x 100 = -85.42%
Formula
Percentage change = [(143 - 981) / 981] x 100
Subtract the new number by the original number
143 - 981 = -838
-838 ÷ 981 = -0.854230377166157
-0.854230377166157 x 100 = -85.42%