-83.47% is the change from 847 to 140
Calculation steps:
[( 140 - 847 ) ÷ 847] x 100 = -83.47%
Formula
Percentage change = [(140 - 847) / 847] x 100
Subtract the new number by the original number
140 - 847 = -707
-707 ÷ 847 = -0.8347107438016529
-0.8347107438016529 x 100 = -83.47%