-82.89% is the change from 818 to 140
Calculation steps:
[( 140 - 818 ) ÷ 818] x 100 = -82.89%
Formula
Percentage change = [(140 - 818) / 818] x 100
Subtract the new number by the original number
140 - 818 = -678
-678 ÷ 818 = -0.8288508557457213
-0.8288508557457213 x 100 = -82.89%