-83.43% is the change from 863 to 143
Calculation steps:
[( 143 - 863 ) ÷ 863] x 100 = -83.43%
Formula
Percentage change = [(143 - 863) / 863] x 100
Subtract the new number by the original number
143 - 863 = -720
-720 ÷ 863 = -0.8342989571263036
-0.8342989571263036 x 100 = -83.43%