-83.08% is the change from 845 to 143
Calculation steps:
[( 143 - 845 ) ÷ 845] x 100 = -83.08%
Formula
Percentage change = [(143 - 845) / 845] x 100
Subtract the new number by the original number
143 - 845 = -702
-702 ÷ 845 = -0.8307692307692308
-0.8307692307692308 x 100 = -83.08%