-83.07% is the change from 827 to 140
Calculation steps:
[( 140 - 827 ) ÷ 827] x 100 = -83.07%
Formula
Percentage change = [(140 - 827) / 827] x 100
Subtract the new number by the original number
140 - 827 = -687
-687 ÷ 827 = -0.8307134220072552
-0.8307134220072552 x 100 = -83.07%