-83.37% is the change from 842 to 140
Calculation steps:
[( 140 - 842 ) ÷ 842] x 100 = -83.37%
Formula
Percentage change = [(140 - 842) / 842] x 100
Subtract the new number by the original number
140 - 842 = -702
-702 ÷ 842 = -0.833729216152019
-0.833729216152019 x 100 = -83.37%