-83.18% is the change from 844 to 142
Calculation steps:
[( 142 - 844 ) ÷ 844] x 100 = -83.18%
Formula
Percentage change = [(142 - 844) / 844] x 100
Subtract the new number by the original number
142 - 844 = -702
-702 ÷ 844 = -0.8317535545023697
-0.8317535545023697 x 100 = -83.18%