-85.1% is the change from 960 to 143
Calculation steps:
[( 143 - 960 ) ÷ 960] x 100 = -85.1%
Formula
Percentage change = [(143 - 960) / 960] x 100
Subtract the new number by the original number
143 - 960 = -817
-817 ÷ 960 = -0.8510416666666667
-0.8510416666666667 x 100 = -85.1%