-83.27% is the change from 855 to 143
Calculation steps:
[( 143 - 855 ) ÷ 855] x 100 = -83.27%
Formula
Percentage change = [(143 - 855) / 855] x 100
Subtract the new number by the original number
143 - 855 = -712
-712 ÷ 855 = -0.8327485380116959
-0.8327485380116959 x 100 = -83.27%